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12-Letter P Words by Ending Letter

All 4,816 12-Letter Words Starting With P

pachycaulous(botany) Relating to a pachycaul; having a thick stem and few branches.pachycephaly(medicine) Abnormal thickening of the skull, especially that produced by synostosis of the parietal bone with the occipital bone.pachyceratid(zoology) Any member of the Pachyceratidae.pachychoroid(anatomy) An especially thick choroidpachycladous(botany) Having disproportionately thick stems.pachydactylyThe condition of being pachydactylous.pachydermialAlternative form of pachydermal.pachydermoidResembling pachydermia.pachydermous(botany) Of mosses: having the cells or capsules firm and resistant.pachydictyol(organic chemistry) A bicyclic tetraterpenoid alcohol present in brown algae of the genus Dictyota.pachyglossia(medicine) An abnormal thickening of the tongue.pachyonychiaAbnormal thickening of the nails.pachyostosedModified by pachyostosispachyostosisA thickening of the bones of the ribs and vertebrae.pachyostoticRelating to pachyostosispachyrostranAny ceratopsid dinosaur of the clade PachyrostrapachyrukhineAny extinct animal of the subfamily Pachyrukhinaepachytroctid(zoology) Any barklouse of the family Pachytroctidae.pacificationThe process of pacifying.pacificatoryPromoting peace; conciliatory.packinghouseA facility where harvested food is processed into a salable condition.paconiflorinMisspelling of paeoniflorin.paddleboaterSomeone who travels by paddleboatpaddlefishesplural of paddlefishpaddlewheelsplural of paddlewheelpaddywackeryAlternative form of paddywhackery.padparadschaA rare pinkish-orange variety of corundum.paedagogical(chiefly British spelling) Alternative spelling of pedagogical.paedobaptismThe baptism of infants or young children.paedobaptistRelating to the baptism of infants or small children.paedodonticsAlternative form of pedodontics.paedodontistAlternative form of pedodontist.paedogenesis(British spelling, biology) Alternative spelling of pedogenesis (“premature reproduction”).paedogeneticAlternative form of pedogenetic.paedologicalAlternative form of pedological.paedomorphicOf, relating to, or resulting from the retention of juvenile characteristics by an adult.paedophagous(biology) Feeding off eggs or larvae.paedophiliacA person who is sexually attracted to children; a paedophile.paedotrophicAlternative form of pedotrophic.paenungulate(zoology) Any animal of the clade Paenungulata.paeoniaceous(botany, relational) Of or relating to the Paeoniaceae.paeoniflorin(organic chemistry) A glycoside found in Paeonia lactiflora, used in herbal medicinepaerucumarin(organic chemistry) An isonitrile derivative of coumarinpafuramidineAn experimental drug for the treatment of pneumocystis pneumonia.paganisationAlternative spelling of paganization.paganizationThe act or process of paganizing.paidologicalAlternative form of pedological.painlessnessThe quality of being painless.painstakenly(rare) Alternative form of painstakingly.paintabilityThe quality of being paintable.paintinglikeResembling a paintingpaintingnessThe quality of being painterly.pairbreaking(physics) The breaking apart of a pair (of particles etc) with release or absorption of energy.pajamahadeen(informal) Bloggers whose aim is to fact check and challenge the mainstream media establishment.pakodanomics(India, economics, neologism) The economic policies of Narendra ModipalaeobotanyAlternative spelling of paleobotany.palaeoburrowAlternative form of paleoburrow.palaeocortexAlternative form of paleocortex.palaeocourseA prehistoric course (of a river)palaeodicots(botany) Alternative form of paleodicots.palaeofaecalAlternative form of paleofecal.palaeofaeces(Commonwealth) Alternative spelling of paleofeces.palaeofaunalRelated to palaeofaunapalaeofloralRelating to palaeoflorapalaeoforestA forest that existed in the distant pastpalaeography(British spelling) Alternative form of paleography.palaeolagoonAlternative form of paleolagoon.palaeolithicAlternative spelling of Paleolithic.palaeologistOne who studies palaeology.palaeomarginAlternative form of paleomargin.palaeoniscid(zoology) Any extinct fish of the family Palaeoniscidaepalaeontinid(zoology) Any cicadomorph in the family Palaeontinidae.palaeopteranAny winged insect of the division PalaeopterapalaeorecordAlternative form of paleorecord.palaeoryctid(zoology) Any extinct shrewlike mammal in the family Palaeoryctidae.palaeotropicAlternative form of palaeotropical.palaeovalleyAlternative form of paleovalley.palaetiology(archaic, geology) The science that explains, by the law of causation, the past condition and changes of the Earth.palarstanide(mineralogy) A hexagonal-trapezohedral steel gray mineral containing arsenic, palladium, and tin.palatability(uncountable) The condition of being palatable.palatialnessThe quality of being palatial.palatineshipThe role or status of a palatine.palatizationSynonym of palatalization.palatodental(anatomy) Relating to the palate and the teethpalatography(phonetics, linguistics) A technique used to identify which parts of the mouth are used when making a certain sound, by painting a colouring agent on the tongue or roof of a subject's mouth and photographing those areas after the subject has pronounced the sound.palatoplasty(surgery) A surgical procedure used to correct or reconstruct a cleft palatepalatschinkeA pancake of a thin crepe-like variety common in the Balkans, Central and Eastern Europe.palenzonaite(mineralogy) An isometric-hexoctahedral wine red mineral containing arsenic, calcium, manganese, oxygen, silicon, sodium, and vanadium.paleoaeolianAlternative spelling of palaeoaeolian.paleoartistsplural of paleoartistpaleobiologyThe branch of biology or paleontology concerned with the study of fossils of plants and animalspaleobotanicAlternative form of paleobotanical.paleocamelidAn ancient, extinct camelidpaleochannel(geology) A deposit of sediment filling the course of an ancient river.paleoclimate(geology) The climate of the Earth at a specified point in geologic time.paleocrysticOf, pertaining to, or derived from a former glacial formation; composed of ancient ice.paleocurrent(geology) A geological feature that indicates the direction of flow of water in the geologic pastpaleodietaryRelating to the diet of prehistoric man or animalspaleoecologyThe ecology of the ancient past and of extinct organismspaleoendemic(ecology) That has been endemic in a region for a very long time (but is now more restricted)paleoequatorAlternative form of palaeoequator.paleofantasy(rare) A fantasy about how things were in the distant or geological past.paleofluvialRelating to ancient riverspaleogeneticRelating to paleogenetics.paleogenomicAlternative form of palaeogenomic.paleogeology(geology) The geology of a particular place at some time in the distant pastpaleoglacialRelated to a paleoglacier.paleoglacierAn ancient glacierpaleographerA person skilled in paleography.paleographicOf or pertaining to paleography.paleohabitat(ecology, archaeology) An extinct habitat that can only be reconstructed from fossilspaleohistorySynonym of archaeology.paleokarsticRelating to a paleokarstpaleoliberalRelating to paleoliberalism.paleologicalRelating to paleologypaleomarxismA primitive form of MarxismpaleomerycidAny extinct ruminant of the family Palaeomerycidaepaleontology(American spelling) The study of the forms of life existing in prehistoric or geologic times, especially as represented by fossils.paleonurseryAn ancient nursery (for extinct juvenile animals)paleopalliumAn ancient region within the telencephalon in animal brains.paleoscienceAlternative spelling of palaeoscience.paleosecular(geology) Relating to long-term non-periodic irregularities, especially in magnetic field, in the geologic pastpaleoseismic(geology) Pertaining to ancient seismic events.paleospecies(taxonomy, paleontology) A species that is derived from the paleontological record; chronospecies.paleosurfaceA surface (of the Earth) as it existed in prehistoric times.paleotechnicRelating to ancient art.paleotherian(paleontology, archaic) Of or relating to Palaeotherium.paleothermalRelating to palaeothermometry.paleotropicsAlternative form of palaeotropics.paleotsunamiAn ancient, unrecorded tsunamipaleovolcanoA volcano that formed in prehistoric times (typically before the Tertiary)paleoweatherprehistoric weatherpaleozoology(zoology) The branch of zoology dealing with fossils, and the creatures that were transformed into thempalichnologyAlternative form of paleoichnology.palificationThe act or practice of driving piles or posts into the ground to make it firm.palimbacchicOf or relating to the palimbacchius.palimpsesticRelating to palimpsests.palinacousisAn auditory form of perseveration: continuing to hear a sound after the physical noise has disappeared.palindromistOne who composes palindromes.palindromize(transitive, rare) To turn into a palindrome.palingenesiaRebirth; regeneration.palingenesic(rare) Pertaining to palingenesis.palingenesis(uncountable, also figuratively) Rebirth; regeneration; (countable) an instance of this.palingeneticOf or pertaining to palingenesis.palinspastic(geology, of a map) Showing the previous location of geological features, correcting for any intervening crustal movements.paliperidone(pharmacology) 9-hydroxyrisperidone, an atypical antipsychotic drug.palisadoderm(mycology) A type of outer skin of a fungus where all the ends of the hyphae all reach the same height and form a palisade of long inflated cells.palistrophicExhibiting palistrophe.palladacycle(organic chemistry) Any of several groups of organometallic heterocycles containing an atom of palladium in the ring; they are used as coupling catalystspalladiumize(transitive) To coat with palladium.pallesthesia(medicine) The sensation of mechanical vibration on or near the body.palletisableAlternative spelling of palletizable.palletizableSuitable for palletization.palliativelyWith palliative care.palliativist(medicine, rare) A physician who specializes in palliative care.pallidectomy(surgery) The electrothermal destruction of the globus pallidus.pallidofugal(anatomy) Leading out from the globus palliduspalmarumycin(organic chemistry) Any of a group of fungal metabolites that are derivatives of 1,8-dihydroxynaphthalenepalmatilobed(botany) Palmate, with the divisions separated less than halfway to the common centre.palmitoleateAny salt or ester of palmitoleic acid.palmitoleoyl(organic chemistry, especially in combination) The univalent radical derived from palmitoleic acid by loss of the hydroxy grouppalmitoylateTo (cause to) undergo palmitoylationpalmitoylome(biochemistry) All the protein palmitoylations of an organismpalmoplantar(anatomy) Of, pertaining to, or affecting the palms of the hand and the soles of the foot.palonidipine(pharmacology) A calcium channel blocker.palonosetron(pharmacology) A drug used in the prevention and treatment of chemotherapy-induced nausea and vomiting.palorchestid(zoology) Any marsupial in the family Palorchestidae.palovarotene(organic chemistry, pharmacology) A highly selective retinoic acid receptor gamma (RAR-γ) agonist, used to treat heterotopic ossification and fibrodysplasia ossificans progressiva.palpablenessThe quality of being palpable.palpebration(medicine) winking of the eyepalpitationsplural of palpitationpaludamentum(historical, Ancient Rome) A military cloak worn by a general and his principal officers, fastened at one shoulder.paludicolousThat lives in swamps or marshes.palygorskite(mineralogy) Synonym of attapulgite.palynodebrisdebris in sediment composed of fossil pollen and other palynomorphspalynofloralRelating to palynoflorapalynofossil(botany) A fossil spore or pollen grainpalynologistOne who studies palynology (pollen, spores, and other particulate organic matter).pampatheriid(zoology) Any member of the Pampatheriidae, a family of large extinct armadillo-like plantigrade armoured xenarthrans.pamperednessThe fact or quality of being pampered.pamphleteersplural of pamphleteerpamprodactylExhibiting pamprodactyly.panabinostatMisspelling of panobinostat.panaesthesiaAlternative form of panesthesia.panarteritis(medicine) Inflammation involving all the layers of an artery.panarthriticHaving or relating to panarthritis.panarthritis(medicine) arthritis in all of the jointspanarthropod(zoology) Any of many animals of the clade Panarthropoda.panbacterialRelating to all (or most) types of bacteriapanchromatic(photography, of black and white film) sensitive to all visible colourspancreatiticRelating to pancreatitis.pancreatitisInflammation of the pancreas.pancreectomy(archaic, medicine) Alternative spelling of pancreatectomy.pancrelipaseA mixture of porcine-derived pancreatic amylase, pancreatic lipase, and chymotrypsin, used in the treatment of some digestive disorders.pancreozymin(dated) cholecystokininpancytopenia(pathology) A reduction in the numbers of red blood cells, white blood cells and platelets in the bloodpancytopenicRelating to pancytopeniapandaedalian(archaic) something wrought with great care.pandaemonismAlternative spelling of pandemonism.pandaemoniumAlternative spelling of pandemonium.pandanaceous(botany) Of or relating to the plant family Pandanaceae.pandeisticalAlternative form of pandeisticpandemicallyIn a pandemic manner.pandemoniousRelating to, resembling, or characteristic of, a pandemonium.pandemoniumsplural of pandemoniumpandialectalAcross all dialects.pandiculatedsimple past and past participle of pandiculatepandoravirusAny of the genus Pandoravirus of very large viruses that infect amoebas.panegyricize(transitive) To deliver a panegyric upon; to praise publicly.panelbeatersplural of panelbeaterpanendeisticOf or relating to panendeism.panendoscopeAn endoscope used in panendoscopypanendoscopyendoscopy of the pharynx, larynx, upper trachea and oesophaguspaneosteitisA long bone condition in large dogs, manifesting with sudden, otherwise unexplained pain and lameness sometimes shifting from leg to leg.panethnicityThe grouping together, and collective labelling, of various separate ethnicities.pangastritisinflammation of the entire stomach liningpangenotypicRelating to all genotypes (of an organism)pangeometricRelating to pangeometry.pangrammaticHaving the form of a pangram.panhellenismThe union of the Greeks into a single political body.paniculatelyIn a paniculate manner.paniculiform(botany) Having the form of a paniclepanleukocyteRelating to all the leukocytes of an organismpanlobularlyIn a panlobular mannerpanniculitisinflammation of the panniculus adiposus, or subcutaneous adipose tissuepanniculosis(medicine) A noninflammatory condition characterised by broad, flat thickening of the subcutaneous tissue.pannoniasaurAny tethysaurine mosasauroid of the genus Pannoniasauruspannuscorium(historical) A soft leather-cloth used for boots etc.panobinostatA hydroxamic acid drug and acts as a non-selective histone deacetylase inhibitorpanopticallyIn a panoptic mannerpanoramagramA device used to view a stereoscopic image from a pair of photographspanpharmacon(dated) A medicine for all diseases; a panacea, a cure-allpanpulmonateAny slug or snail of the order PanpulmonatapanresistantResistant to all forms of antibiotic.panretinallyAffecting or relating to the entire retina.pansclerosisComplete thickening and hardening of the interstitial tissue of a part.pansclerotic(medicine, of a form of morphea) Manifested by sclerosis of the dermis, panniculus, fascia, muscle, and at times, the bone, all causing disabling limitation of motion of joints.pansensitiveResponsive to treatment with any of a number of classes of drug.pansentienceThe concept of all things having sentience.panserositis(biology, medicine) Inflammation of many serosae (serous membranes), throughout the body, as a component of a systemic disease process, such as Kawasaki disease, MIS-C, or MIS-A (Multisystem Inflammatory Syndrome in Adults); thus, vasculitides, polyarthritides, and pericarditis are involved.pansexualism(psychology, historical) The psychological theory that all human activity (mental and physical) is based on sexuality.pansexualist(psychology) Pertaining to or promoting the psychological theory of pansexualism.pansexualityA sexual orientation characterized by the potential for aesthetic attraction, romantic love and/or sexual desire for people regardless of their gender or sex.pansexualizeTo make pansexual.pansharpenedsharpened by means of pansharpeningpansinusitissinusitis that affects all of the paranasal sinusespansocialistRare spelling of pan-socialist.panspermaticRelating to the theory of panspermatism.panspiritualRelating to, or encompassing, all kinds of spirituality.pansporocystAn assemblage of several sporocystspansteatitisA physiological condition in animals, characterised by inflammation of the body fat.pantagraphicAlternative form of pantographic.pantaloonery(dated) The character or performances of a pantaloon; buffoonery.pantamorphicTaking all forms.pantechnicon(chiefly British) Originally pantechnicon van: a van, especially a large moving or removal van.pantelegraphAn early kind of fax machine using telegraph lines to transmit small drawings, signatures, etc.pantelephone(historical) An early device for voice transmission, in which the contact of variable resistance is formed between a fixed piece of platinum and a small carbon lozenge attached to a plate of cork suspended by two springs on the upper part.pantelleriteA kind of volcanic rock, a peralkaline rhyolite with more iron and less aluminium than comendite.pantestudineAny reptile of the clade Pantestudines, which are more closely related to turtles than any other animals.panthalassan(uncommon) Synonym of panthalassic.panthalassicThat inhabits most or all of the seas and oceans.pantherishlyIn a pantherish manner.pantisocracyA utopian social system in which every member participates equally in government.pantisocrasyArchaic form of pantisocracy.pantlessnessThe state of being pantlesspantographedsimple past and past participle of pantographpantographerOne who uses a pantograph.pantographicOf or relating to a pantograph or pantography.pantolactone(organic chemistry) The lactone of 2,4-dihidroxy 3,3-dimethyl butanoic acid that is related to pantothenic acidpantologicalOf or pertaining to pantology.pantomimical(now rare) Expressed or carried out using mime or mimicry.pantomorphicExisting in all shapes or forms.pantophagistOne who eats all kinds of food.pantophagousEating all kinds of food.pantoprazole(pharmacology) A benzimidazole derivative (trademark Protonix) that inhibits gastric acid secretion and is administered in the form of its sodium salt C₁₆H₁₄F₂N₃NaO₄S to treat erosive esophagitis and disorders (as Zollinger–Ellison syndrome) involving gastric acid hypersecretion.pantothenate(chemistry) Any salt or ester of pantothenic acid.pantotherian(zoology) Any of the mammals in Pantotheria.pantywaisted(informal, especially of a male) Weak, timid, effeminate, ineffectual.papaverolineA vasodilator.papercrafterA person who makes artistic objects from paper.papercuttingThe art of cutting decorative designs out of paper.paperflowersplural of paperflowerpaperfoldingThe folding of paper; origamipaperhanging(uncountable) The trade of hanging wallpaper on walls.paperweightsplural of paperweightpapillectomy(surgery) A medical procedure involving the removal of a papilla.papillionoidMisspelling of papilionoid.papilloedemaAlternative spelling of papilledema.papillorenal(anatomy) Relating to renal papillae.papisticallyIn a papistical manner; by, or with reference to, a pope.pappotheriid(paleontology) Any member of the Pappotheriidae of extinct mammalspapulacandinAny of a class of antifungal compounds found in Papularia species.papuliferouspimply; covered with papulaepapulocandinMisspelling of papulacandin.papulonoduleA papular nodule.papyriferous(rare) Bearing or producing papyrus.papyrography(obsolete) Synonym of papyrotype, a form of photolithography using paper.papyrologistA student of or expert in papyrology, the study of papyrus and ancient writings on papyrus.papyrophilia(sometimes humorous) A preoccupation with paper, or by extension with written sources or bureaucratic paperwork.papyrophobia(rare) Fear or hatred of paper.papyropolist(rare, obsolete) Synonym of stationer: a seller of paper.papyroxyline(obsolete) Alternative form of papyroxylin.paraarterialSynonym of paravascular.parabalisticlike a parableparabasalianSynonym of parabasalid.parabiathlonAlternative form of para-biathlon.parabolicityThe condition of being parabolicparaboliform(archaic) Shaped like a parabola; parabolic.paraboloidalHaving a paraboloid shape.paraboloidicAlternative form of paraboloidal.parabotanistA botanist who collects plants for a herbariumparabotulismSynonym of lamziekte.parabrachial(anatomy) Of or relating to a horseshoe-shaped strip of grey matter in the brain, comprising the Kölliker-Fuse nucleus, the lateral parabrachial nucleus, and the medial parabrachial nucleus.parabranchiaA modified osphradium of certain gastropod molluscs that functions as a gillparabronchus(anatomy) Any of very many small air passages ('air capillaries') in the lungs of birdsparabrotulid(zoology) Any fish in the family Parabrotulidae.paracalcitolAlternative form of paricalcitol.paracallosalBeside or beyond the corpus callosumparacanoeistA person who competes in paracanoeparacapsular(anatomy) Alongside a capsuleparacavitary(anatomy) Across, or throughout a cavityparacellular(biology) Between cells.paraceltitid(zoology) Any extinct cephalopod in the family Paraceltitidae.paracentesesplural of paracentesisparacentesis(surgery) A medical procedure involving needle drainage of fluid from a body cavity, most commonly the abdomen.paracentrone(organic chemistry) A particular carotenoid.paracerebralThroughout the brainparacervical(anatomy) Adjacent to the cervixparachronismAn error in chronological order in which something is ascribed a later time than the actual one; metachronism.parachutableCapable of being deployed by parachute.parachutistsplural of parachutistparacingulinA protein, a paralog of cingulin, involved in junction assembly and maintenance.paraciticideMisspelling of parasiticide.paraclinicalOf or relating to techniques or findings that are not purely clinical, but may be related, such as those of pathology or radiology.paracolonialRelating to settler colonialism.paracolpitisInflammation of the outer coat of the vagina.paracondylarOver or beyond a condyleparacoronoid(anatomy) Above the coronoid processparacorticalRelating to the paracortex.paracriminalAssociated with or profiting from crime without actually being illegal.paracrinallyIn a paracrine mannerparacyanogen(chemistry) A polymeric modification of cyanogen, obtained as a brown or black amorphous residue by heating mercuric cyanide.paracystitis(pathology) inflammation of the connective tissue surrounding the bladderparadactylum(ornithology) Synonym of paradactyl (“side of a toe or finger”).paradentosisAlternative form of periodentosis.paradiapause(biology) facultative diapauseparadiastole(rhetoric) A form of euphemism in which a positive synonym is substituted for a negative word.paradigmaticOf or pertaining to a paradigm.paradisaeineRelating to or characteristic of the paradisaeidsparadisaicalOf or relating to paradise (or heaven).paradisefishMacropodus opercularis, a freshwater gourami of East Asia.paradisiacalOf or resembling paradise.paradormancy(biology) A temporary dormancy in some plantsparadoxicianA person who formulates or uses paradoxes.paradoxologyThe study or contemplation of paradoxes.paradoxurineOf, or pertaining to, the genus Paradoxurus.paraductularAlongside a ductparaeducatorA paraprofessional educator; a teacher's assistant responsible for helping students in the classroom.paraelectricOf, pertaining to, or exhibiting paraelectricityparaenetical(now rare) Giving advice; advisory, hortatory.paraesthesiaAlternative spelling of paresthesia.paraestheticAlternative form of paresthetic.parafascioleA broad zone next to the fascioleparafeminismA variety of feminism that seeks to better the conditions of women but considers men and women to be fundamentally different.paraffinatedsimple past and past participle of paraffinateparaffinisedsimple past and past participle of paraffiniseparafibromin(biochemistry) A protein that inhibits cell proliferation and suppresses some tumorsparafissuralAcross or through a fissureparaformalinA solution of paraformaldehyde in waterparafossetteSynonym of paraflexus.parafoveally(anatomy) Using the perifoveaparafoveolarThrough or across the foveolaparafunctionAn abnormal (especially habitual) movement of part of the body.paraganglialRelating to the paraganglionparaganglionA chromaffin body; a small group of chromaphil cells in the abdomen, connected with the ganglia of the sympathetic trunk and the ganglia of the celiac, renal, adrenal, aortic and hypogastric plexusesparaglobulin(biochemistry, obsolete) Synonym of fibrinoplastin.paragnathous(ornithology, archaic) having both mandibles of equal length, with the tips meeting, as in certain birdsparagneissicOf or relating to paragneiss.paragranulin(biochemistry) A particular peptide sequence within granulinsparagraphingpresent participle and gerund of paragraphparagraphismThe writing of paragraphs, especially (dated) the writing of sensational or tawdry short pieces in a newspaper.paragraphistA writer of paragraphs.paragraphize(transitive) To arrange into paragraphs.paragraphletA short paragraph.parahoplitid(zoology) Any ammonite in the family Parahoplitidae.parahormonalOf or relating to a parahormone.parahoxozoanAny marine animal of the superphylum Parahoxozoaparahydrogen(physics) The form of the hydrogen molecule (H₂) in which the two nuclei have antiparallel spin; about 25% of hydrogen at room temperature.parahypnosis(chiefly dated) Any of various forms of disordered sleep.parahypnoticRelating to parahypnosis.parajudicial(law) Of or relating to non-judicial personnel who assist judges in carrying out their function, such as law clerks.paralanguage(linguistics) The non-verbal elements of speech, and to a limited extent of writing, used to modify meaning and convey emotion, such as pitch, volume, and intonationparalipomena(literary analysis) The different text variants or text witnesses researched when creating a critical edition.parallelableCapable of being paralleled, or equalled.parallelisedAlternative spelling of parallelized.parallelizer(programming) A process or algorithm that parallelizes code.parallelizesthird-person singular simple present indicative of parallelizeparallelless(archaic) Without a parallel or equal; matchless.paralogician(logic) A person who uses paralogyparalogistic(logic) Relating to paralogy; fallaciousparalogizingpresent participle and gerund of paralogizeparalogouslyIn a paralogous mannerparalstonite(mineralogy) A trigonal-trapezohedral mineral containing barium, calcium, carbon, and oxygen.paralysinglyAlternative spelling of paralyzingly.paralyzationAlternative form of paralysation.paralyzinglyIn a paralyzing manner.paramagnetic(physics) Exhibiting paramagnetism.paramediallyIn a paramedial mannerparamedicine(medicine) That field of medicine practiced by paramedics.paramegistid(zoology) Any mite in the family Paramegistidae.parameniscal(anatomy) Across or through the meniscus (of the knee)parameterise(British spelling) Alternative form of parametrise.parameterize(transitive) To describe in terms of parameters.parametritis(medicine) Inflammation of the parametrium (cellular tissue near the uterus).parametrizedsimple past and past participle of parametrizeparametrizesthird-person singular simple present indicative of parametrizeparamilitantOf or pertaining to a paramilitary.paramilitaryA group of civilians trained and organized in a military fashion, but which do not represent the formal forces of a sovereign power.paramoeciumsplural of paramoeciumparamorphine(toxicology) A poisonous alkaloid, also known as thebaine, obtained from opium; not used in medicine; but used as a precursor for the manufacture of some medicines.paramorphism(geology) A change in the physical structure of a mineral without any chemical change.paramorphous(mineralogy) Synonym of paramorphic.paramotoringflying a paramotorparamuscularAcross or through a muscleparamutation(genetics) A mutation in which a heritable change in one allele is induced by another in the same locusparamyotonia(pathology) A form of myotonia that worsens with exercise.paramyovirusMisspelling of paramyxovirus.paranatellonA star or constellation that rises (above the horizon) at the same time as another.paranatisite(mineralogy) An orthorhombic-pyramidal mineral containing oxygen, silicon, sodium, and titanium.paraneuronalBesides a neuronparanoialikeResembling or characteristic of paranoia.paranoicallyAlternative form of paranoiacally.paranoidally(medicine, dated) paranoidlyparanoidnessThe quality or condition of being paranoid.paranormallyIn a paranormal way.paranthelionA diffuse whitish image of the Sun, having the same altitude, at an angular distance of about 120° due to reflection from atmospheric ice-prisms.paranucleate(cytology) Near and outside of the nucleus.paraotwayite(mineralogy) A monoclinic-domatic emerald green mineral containing carbon, hydrogen, nickel, oxygen, and sulfur.paraparticle(physics) The equivalent of a particle in any of several parastatisticsparapatellar(anatomy) Located next to the patellaparaperigoneparaperigoniumparapetalous(botany) Growing, or occurring, by the side of a petal.paraphernals(law, rare) Synonym of paraphernalia (“married woman’s property besides her dowry”).paraphimosisA medical condition where the foreskin becomes trapped behind the glans.paraphimoticRelating to paraphimosis.paraphragmalRelating to the paraphragm.paraphrasingpresent participle and gerund of paraphraseparaphrasistSynonym of paraphraser.paraphrasticPertaining to a paraphrase.paraphyletic(systematics) Of a defined group of taxa: not including all descendants of the most recent common ancestor of all members.paraphyllium(botany) Any of the tiny branched or stipuliform organs between the leaves of some leafy bryophytesparaphysicalRelating to paraphysics.parapinopsin(biochemistry) Any of a group of opsins in the parapineal gland of some fishparapithecid(zoology) Any extinct primate in the family Parapithecidae.paraplanningThe work of a paraplanner; assistance with financial planning.parapolitics(political science) Political practices and arrangements that are unacknowledged and that intend to misinform or obfuscate a hidden agenda.parapophysesplural of parapophysisparapophysis(anatomy) The ventral transverse, or capitular, process of a vertebra.parapoxviralRelating to parapoxviruses.parapoxvirusAny of many poxviruses, of the genus Parapoxvirus, that have a spiral coat.paraproctiumThe connective tissue that surrounds the rectum.parapropamolA non-narcotic analgesic drug.paraprostateAlternative form of paraprostatic.paraquadrateSynonym of squamosal.parareligionA secular belief system having certain aspects of religion.parasaggitalMisspelling of parasagittal.parasagittalSituated alongside of or adjacent to a sagittal location or a sagittal plane.parascapularOver the scapula.parascarosisA disease (typically in horses) caused by roundworms of the genus Parascarisparascylliid(zoology) Any shark in the family Parascylliidae.parasequence(geology) A relatively conformable, genetically related succession of beds and bedsets bounded by marine flooding surfaces and their correlative surfaces.parasexuallyIn a parasexual way.parasiopesisSynonym of paralipsis.parasitaemiaAlternative spelling of parasitemia.parasitaemicAlternative form of parasitemic.parasitation(nonstandard) parasitizationparasitelikeResembling or characteristic of a parasite.parasitemiasplural of parasitemiaparasiticideAny substance used to kill parasites.parasitiformAny tick or mite of the superorder Parasitiformesparasitisingpresent participle and gerund of parasitiseparasitoidalOf or pertaining to parasitoids.parasitologyThe study of parasites.parasociallyIn a parasocial manner.paraspecific(medicine) Serving as a remedy against conditions beyond those it is primarily used to treat.parasphenoid(anatomy) A bone situated immediately beneath the sphenoid in the base of the skull in many vertebrates.paraspinallyIn a paraspinal manner.parasplenial(anatomy) Across or beyond the spleniumparaspurrite(mineralogy) A polysynthetically twinned spurriteparasquillid(zoology) Any mantis shrimp in the family Parasquillidae.parastriatalAbove or beyond the corpus striatumparasuicidalInclined towards parasuicide.paraswimmingAn adaptation of the sport of swimming for athletes with disabilities.parasyllabicMisspelling of parisyllabic.parasymbiont(biology) A parasymbiotic symbiontparasynapsisThe parallel (side-by-side) conjugation of chromosomesparasynapticRelating to parasynapsisparasynonymyThe property of being a parasynonym.parasyphilis(medicine, archaic) Any form of neurosyphilis that formerly was known to be correlated with late-stage syphilis but was misapprehended to be distinct from it.parasystolicRelating to parasystole.paratacamite(mineralogy) A rhombohedral form of basic copper chloride that is dimorphous with atacamiteparatacticalSynonym of paratactic.parataxonomyThe work of a parataxonomistparatectonicRelating to, or produced by a large-scale deformation or parageosynclineparatenicityThe condition of being paratenicparaterminalOver or above a terminus.parathalamicAbove or beyond the thalamusparathiazineA histamine 1 receptor antagonist.parathleticsAlternative form of para-athletics.parathormoneSynonym of parathyroid hormoneparathyroidsplural of parathyroidparatocarpinAny of a small group of prenylated chalcone flavonoids isolated from Euphorbia humifusaparatopotype(biology) A paratype found in the same locality as the holotypeparatracheal(anatomy) Adjacent to the tracheaparatriploid(genetics) Less than polyploid and greater than triploidparatroopersplural of paratrooperparatropicalBeyond the tropics (away from the equator)paratropidid(zoology) Any spider in the family Paratropididae.paratumorousSynonym of paraneoplastic.paratympanicBeyond the tympanumparaurethralLying alongside the urethraparavalbuminMisspelling of parvalbumin.paravalvularBeyond a (heart) valveparavariceal(anatomy, medicine) Adjacent to or near a varix; usually with reference to an esophageal varix.paravascularSynonym of glymphatic.paraverballyIn a paraverbal manner.paravisceral(anatomy) Beside the visceraparaxanthine(organic chemistry) A metabolite of caffeine.parazoanthid(zoology) Any zoanthid of the family Parazoanthidae.parbendazoleThe benzimidazole anthelmintic methyl N-(6-butyl-1H-benzimidazol-2-yl)carbamateparcelcopterA small-scale unmanned aerial vehicle used to promptly transport a package.parcellationdivision into parcels; especially the dividing up of a large amount of land between the inhabitants of it so that each person receives an equal amount of land.parcenershipThe role or status of a parcener.parchmentiseAlternative form of parchmentize.parchmentize(transitive) To convert to a parchment-like substance, especially by sulfuric acid.pardonmonger(Christianity, archaic, derogatory) A seller of (papal) indulgences.parechoviralRelating to the parechovirusesparechovirusAny virus of the genus ParechoviruspareiasauridSynonym of pareiasaur.parenchymousAlternative form of parenchymatous.parentectomyThe removal of one or both parents from a child's life.parenterallyIn a parenteral manner (administered avoiding the gastrointestinal tract).parenthesise(British spelling) Alternative form of parenthesize.parenthesizeTo place text in parentheses.parenthesome(biology) A septal pore cap, a microscopic structure of unknown function found in the cells of basidiomycete fungi.paresthesiaeplural of paresthesiaparesthesiasplural of paresthesiaparetymologyAlternative form of paraetymology.paricalcitol(pharmacology) An analog of calcitriol (the active form of vitamin D) that is used for the prevention and treatment of secondary hyperparathyroidism.paridigitate(anatomy) Having an even number of digits on the hands or feet.parishionersplural of parishionerparisthmitis(medicine, archaic) tonsillitisparisyllabic(grammar) Having the same number of syllables in all its inflections.paritaprevir(pharmacology) An acylsulfonamide inhibitor of the NS3-4A serine protease, under investigation for the treatment of hepatitis C.parkinsonian(neurology, pathology) Relating to, or appearing to be caused by, Parkinson's syndrome.parkinsonism(neurology, pathology) A neurological syndrome characterized by tremor, bradykinesia, rigidity, and postural instability; a condition with the symptoms of Parkinson's disease, regardless of its cause.parkinsonite(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing chlorine, lead, molybdenum, and oxygen.parkinsonoid(medicine) Resembling (but not) Parkinson's disease or parkinsonism.parkitecture(US, informal) A style of 20th-century architecture developed by the United States National Park Service in its efforts to create buildings that harmonized with the natural environment and avoided the regularity and symmetry of the industrial world.parlementary(historical) Of or relating to a parlement, a provincial appellate court in the Ancien Régime of France.parliamentalMisspelling of parliamentary.paroccipital(anatomy) Situated near or beside the occipital condyle or the occipital bone; paramastoid; applied especially to a process of the skull in some animals.parochialiseAlternative form of parochialize.parochialismThe quality or state of being parochial; especially: selfish pettiness or narrowness (as of interests, opinions, or views).parochialistOne who exhibits parochialism.parochiality(uncountable) The state or condition of being parochial.parochialize(transitive) To render parochial; to form into parishes.parodisationAlternative spelling of parodization.parodontitis(pathology) Synonym of periodontitis.paroemiologyAlternative form of paremiology.paronomasiacOne addicted to wordplay or puns.paronomasialSynonym of paronomasic.paronomasianSynonym of paronomasic.paronomasticof, or relating to paronomasia; punningparonymouslyIn a paronymous way.paroxysmallyIn a paroxysmal manner.parquisosideA particular steroid glycoside.parricidallyIn a parricidal manner.parricidiallAlternative form of parricidial.parricidious(obsolete) parricidalparrotfishesplural of parrotfishparseabilityAlternative spelling of parsability.parseltongueA fictional language of snakes in the Harry Potter universe.parsimoniousExhibiting parsimony; sparing in the expenditure of money; frugal, possibly to excess.parsonicallyIn the manner of a parson.parthemollin(organic chemistry) A xanthanolide found in Parthenice mollis.parthenoformThe parthenogenic form of an organismparthenogeny(rare, biology) parthenogenesisparthenolide(organic chemistry) A sesquiterpene lactone which occurs naturally in the plant feverfew (Tanacetum parthenium); used for the relief of migraineparthenology(rare) The study of Asexual Reproduction.partialisticExhibiting or relating to partialism.partialitiesplural of partialityparticipableCapable of being participated in or shared.participanceSynonym of participation; the process of act of participating; involvement.participancyAlternative form of participance (participation)participantsplural of participantparticipatedsimple past and past participle of participateparticipatesthird-person singular simple present indicative of participateparticipatorone who participates, a participantparticoloredUS standard spelling of particoloured.particularly(focus) Especially, extremely.particulatedReduced to a particulate form.particulatesplural of particulate (“solid or liquid in a subdivided state”).partisanshipAn inclination to be partisan or biased; partiality.partitionarySynonym of partitional (“relating to partitions”).partitionersplural of partitionerpartitioningpresent participle and gerund of partitionpartitionismA policy favouring geopolitical partitioning.partitionistA political partisan who favours geopolitical partitioning.partitiviralRelating to the partitivirusespartitivirusAny virus of the family Partitiviridae.partitocracyAlternative form of partocracy.partizanshipDated spelling of partisanship.partlessnessAbsence of parts.partnershipsplural of partnershippartographicRelating to or composed of partographs / partograms.partymeister(informal) One who hosts parties.partyocraticAlternative form of partocratic.parumbilical(anatomy) Near, or connected to the navel (predominantly referring the small veins which, in human beings, connect the portal vein with the epigastric veins in the front wall of the abdomen).parvalbuminsplural of parvalbuminparviflorous(botany) Having small flowers.parvifolious(botany) Having small leaves.parvipelvianRelating to ichthyosaurs of the clade Parvipelviaparvovirosis(pathology) Any disease caused by a parvovirusparvovirusesplural of parvovirusparyphoplasmA peripheral ribosome-free region of a planctomycete cellpascolizumab(pharmacology) A humanized monoclonal antibody designed to treat asthma.pasqueflowerAlternative form of pasque flower.pasquinadingpresent participle and gerund of pasquinadepassablenessThe state of being passable.passacagliasplural of passacagliapassagemaker(nautical) A vessel designed for, or capable of, making a long-distance voyage.passangrahan(historical) A kind of hostel for travellers in Java.passemeasureAlternative form of passymeasure.passiblenessQuality of being passible.passiflorineAn organic compound found in the passionflower.passionatelyIn a passionate manner.passionfruitAlternative form of passion fruit.passionfullyIn a passionful manner.passionproofResistant to passion.passivisableWhich can be passivised, which can be made into the passive.passivizableWhich can be passivized, which can be made into the passive.passportableEligible for passporting.passportlessWithout a passport.passwordable(computing) Able to be protected with a password.passwordless(computing) Without a password; not requiring a password.passwordlikeResembling or characteristic of a password.passymeasure(obsolete) A dance, the passepied.pasteurisingpresent participle and gerund of pasteurisepasteurizersplural of pasteurizerpasteurizingpresent participle and gerund of pasteurizepasticciottoAn Italian pastry from Apulia, resembling a miniature pie, often filled with egg custard or ricotta cheese.pastillationThe formation of material into pastilles.pastlessnessAbsence of a past; lack of history.pastophoriumA small chapel in a temple containing an image of a god.pastoralistsplural of pastoralistpastoralnessQuality of being pastoral.pastourellesplural of pastourellepasturelandsplural of pasturelandpataphysicalRelating to pataphysics.patchabilityThe property of being patchable.patchworkingThe making of patchworks.patchwriting(education) A form of plagiarism in which material by various writers is combined.patellectomysurgical removal of the patellapatentholderThe holder of a patent.paternalistsplural of paternalistpaternalizerOne who paternalizes.paternalnessQuality of being paternal.paternostersplural of paternosterpathbreakingOpening a new path or approachpatheticallyIn a pathetic manner; piteously.patheticnessThe state or quality of being pathetic.pathlessnessThe state or condition of being pathless.pathoadaptedModified by pathoadaptationpathoanatomyThe study of the causes of disease based on the examination of organs and tissues.pathoantigen(pathology) An antigen that causes diseasepathobiology(biology) The branch of biology that deals with pathology with greater emphasis on the biological than on the medical aspects.pathobionticRelating to, or caused by, a pathobiont.pathobiotypeA pathotype that is also a biotypepathocascadeAlternative form of path cascade.pathocenosis(pathology, ecology) The study of disease in societiespathocentric(pathology) Centred on disease and its controlpathogenesesplural of pathogenesispathogenesisThe origin and development of a disease.pathogeneticOf, pertaining to, or causing pathogenesispathogenicalAlternative form of pathogenic.pathogenomic(pathology, genetics) Relating to pathogenomicspathognosticSynonym of pathognomonic.pathographerOne who writes a pathography.pathographicRelating to pathography.pathologenicMisspelling of pathogenic.pathological(medicine) Pertaining to pathology.pathologistsplural of pathologistpathomimetic(pathology) That mimics a pathological conditionpathonomonicMisspelling of pathognomonic.pathoplastic(medicine) That exhibits pathoplasticity.pathopoiesiaMisspelling of pathopoiesis.pathopoiesis(pathology) Synonym of pathogenesis.pathovariant(pathology, biology) A pathological variant of an organismpathovarietySynonym of pathovar.patriarchateA patriarchal system or community.patriarchdomThe office, jurisdiction, or rule of a patriarch.patriarchessA female patriarch; a woman with the role of patriarch.patriarchialCharacteristic of or pertaining to a patriarchy.patriarchiesplural of patriarchypatriarchismgovernment or rule by a patriarchpatriarchistA supporter of masculinism or patriarchypatriarchizeTo turn into a patriarchy.patricentredpatricentricpatricentric(of a family or society) Centering around the father or fathers.patricianismThe rank or character of patricians.patricidallyIn a patricidal manner.patriclinousAlternative form of patroclinous.patrifocallyIn a patrifocal manner.patrilateral(anthropology) From kin 'on the father's side' (related to the father).patrilineageLineage based upon the paternal line; a group of descendants related through a common male lineage.patrilineateSynonym of patrilineal.patrilocallyIn a patrilocal fashion.patristicismThe mode of thought of the fathers of the early Christian church.patroclinousHaving traits mostly inherited from the male parentpatrological(religion) Relating to patrologypatrologistsplural of patrologistpatrolpersonA patrolman or patrolwoman.patronisableAlternative form of patronizable.patronizableCapable of being patronized.patroonshipsplural of patroonshippatternationThe act or result of forming a pattern, particularly of a spray from a nozzle.patternicityThe tendency to find patterns in meaningless noise.patternmakerSomeone whose occupation is to make patterns, which are used as a guide in the manufacture of something else.patterroller(African-American Vernacular, historical) A member of a slave patrol.pattinsonize(transitive) To process (a mixture of metals) by melting it and skimming off the lead as it cools, so as to leave the silver.patulousnessThe quality of being patulous.patupaiarehe(mythology) One of a legendary fair-skinned fairy race said to have inhabited Polynesia before the arrival of human beings.paucidentate(zoology) Having few teeth.pauciflorous(botany) Having few flowers per inflorescence.paucifoliate(botany) Having few leaves.paucilocularHaving few loculipauciloquentUsing few words when speaking.paucimannose(biochemistry) Having few mannose moietiespaucinervate(botany) Having few nerves.pauciradiateHaving few rays.paucivalency(chemistry) The condition of being paucivalentpaulmooreite(mineralogy) A monoclinic-sphenoidal mineral containing arsenic, lead, and oxygen.paurangiotic(ophthalmology) Of or pertaining to a very sparsely vascularized retina, such as that found in the horse.pavementlessWithout pavement.pavementlikeResembling or characteristic of pavement.pavilionlikeResembling or characteristic of a pavilion.pavingstonesplural of pavingstonepavonazzettoA type of variegated marble.pawnlessness(rare, chess) Absence of pawns.paxillaceous(mycology, relational) Of or relating to the Paxillaceae.paxillosidanAny sea star of the order Paxillosidapaynantheine(organic chemistry) The alkaloid methyl (E)-2-[(2S,3R,12bS)-3-ethenyl-8-methoxy-1,2,3,4,6,7,12,12b-octahydroindolo[2,3-a]quinolizin-2-yl]-3-methoxyprop-2-enoate present in kratompazelliptineA DNA topoisomerase inhibitor.pazufloxacin(pharmacology) A quinolone.peaceabilityThe quality of being peaceable.peacebreakerSomeone who disturbs the public peace.peacebuilderA person who creates or restores a state of peace.peacefulnessThe state of being peaceful.peacekeepersplural of peacekeeperpeacekeepingThe act of preserving peace, specifically between hostile groups or states, especially by a sanctioned military force.peachblossomAlternative form of peach blossom.peacockishlyIn a peacockish manner.peaklessnessAbsence of a peak or peaks.peanutbutterAlternative spelling of peanut butter.pearlescenceThe state or condition of being pearlescent; a pearly appearance.peccadilloesplural of peccadillopecksniffianAlternative letter-case form of Pecksniffian.pectenotoxin(toxicology) Any of a class of cyclic polyether toxins, produced by dinoflagellates, associated with diarrhetic shellfish poisoningpectinaceousRelating to pectin.pectiniosideA particular steroid glycoside.pectinolysis(biochemistry) The biochemical hydrolysis of pectinpectinolytic(biochemistry) That hydrolyses pectin and related compoundspectoriloquy(medicine) An increased resonance, or a distinctly articulated voice, heard during auscultation.peculiarizedsimple past and past participle of peculiarizepeculiarnessThe state or quality of being peculiar.peculiarsome(regional) Peculiar; strange.pedagoguette(nonce word) A schoolmistress.pedalcyclistAlternative form of pedal cyclist.pedaliaceous(botany, relational) Of or relating to the Pedaliaceae.pedanticallyIn a pedantic manner.pedanticness(rare) Synonym of pedantry.pedantocracyGovernment by pedants.pedestriallyon foot, as a pedestrianpedestrianlyIn a pedestrian way.pedestrienne(dated) A female pedestrian.pediatrician(American spelling) A physician that specializes in pediatrics; the medical care of infants, children, adolescents, and young adults.pedicellaria(biology) A small, stalk-shaped structure of the sea urchin and other echinoderms, which has three pincer-like structures at the end that perform cleaning functions and serve as defense against predators.pedicellatedAlternative form of pedicellate.pediculariid(zoology) Any cowrie or related gastropod in the family Pediculariidae, now considered to be the ovulid subfamily Pediculariinae.pediculation(medicine, dated) phthiriasispediculicideAn insecticide that kills lice.pedigreelessWithout a pedigree.pedipulation(uncountable, rare) Dexterous manipulation of objects using the feet.pedocentrismThe practice of centering discussions on children, especially in education.pedoclimaticRelating to pedoclimate.pedodontistsplural of pedodontistpedometricalAlternative form of pedometric.pedomorphismThe retention, by an adult, of juvenile characteristics.pedophiliacsplural of pedophiliacpedosedimentA sedimentary soil.pedotransfer(soil science) The transfer of (data about) soil.pedotrophistAn expert in rearing children.pedturbationAlternative form of pedoturbation.pedunculagin(organic chemistry) An ellagitannin found in pomegranates and walnuts, formed from casuarictin via the loss of a gallate group.pedunculatedAlternative form of pedunculate.peerlessnessThe state or condition of being peerless, of having no equal.peeververein(neologism, derogatory) People obsessed with upholding and enforcing the usage of "correct" English; militant prescriptivists.pegaspargaseAn antineoplastic agent used to treat acute lymphoblastic leukaemia.pegdinetanibAn investigational anticancer drug.peginesatide(pharmacology) An erythropoietic agent, a functional analog of erythropoietin, intended for the treatment of anemia associated with chronic kidney disease in adult patients on dialysis.pegsunercept(pharmacology) A drug for the treatment of rheumatoid arthritis.peishwahshipAlternative form of peshwaship.pejorativelyIn a pejorative manner. Insultingly, disparagingly; so as to belittle another or harm their reputation.peladophobiaThe fear of baldness or bald people.pelagibacterAny marine bacterium of the genus PelagibacterpelargonidinAn anthocyanidin, 2-(4-hydroxyphenyl)chromenylium-3,5,7-triol, found in geraniums and several soft berriespelecaniformAny bird of the order Pelecaniformes.pelecanoidid(zoology) Any bird in the family Pelecanoididae; a diving petrel.pelletierine(organic chemistry) An alkaloid obtained from pomegranate bark and used as a taenifuge.pellucidnesstransparency; lucidity; claritypelobatideanAny of the family Pelobatidae of toadspelodryadineOf or relating to the hylid frog subfamily Pelodryadinae.pelomedusoidAny freshwater turtle of the superfamily PelomedusoideapelorizationSynonym of pelorism.peltogastrid(zoology) Any member of the family Peltogastridae, parasitic barnacles in the superorder Rhizocephala.peltospiroidAny gastropod of the superfamily Peltospiroideapelubiprofen(pharmacology) A nonsteroidal anti-inflammatory drug.pelviectasis(medicine) Dilatation of the renal pelvis.pelvifemoral(anatomy) Relating to the pelvis and femur.pemmicanisedsimple past and past participle of pemmicanisepemmicanized(derogatory) summarized or condensed in such a way as to remove the life or essencepenalisationAlternative spelling of penalization.penalizationThe act of punishing; punishment.penamecillin(pharmacology) An acetoxymethyl ester of benzylpenicillin; a prodrug that is processed to benzylpenicillin by esterases.pencilliformHaving the form of a pencil or rays.pencilmakingThe manufacture of pencils.pendecamaineA surface active drug.pendletonite(mineralogy) Name for a coronene mineral, later called carpathite.penduculatedMisspelling of pedunculated.pendulumlikeResembling or characteristic of a pendulum; having a back-and-forth motion.penetrameterAlternative spelling of penetrometer.penetrationsplural of penetrationpenetrometerA mechanical device that measures the ease of penetration of an object into a semisolidpenetrometryThe design and use of penetrometerspenflutizide(pharmacology) A thiazide diuretic drug.pengornithidAny avialan of the family Pengornithidae.penguinariumA vivarium for penguins.penguinesque(colloquial) Resembling or characteristic of a penguin.penicilamineMisspelling of penicillamine.penicillanicOf, pertaining to, or having the same basic structure as penicillin.penicillatedAlternative form of penicillate.penicillinicRelating to, or derived from penicillin.penicillosisAlternative form of penicilliosis.penicylinderA small cylinder that can be coated with bacteria as part of scientific experiments with antibiotics.peninsularlyIn a peninsular fashion; like, or as, a peninsula.peninsulatedsimple past and past participle of peninsulatepeninvariant(mathematics) Synonym of cumulant.penitentialsplural of penitentialpenitentiaryA priest in the Roman Catholic Church who administers the sacrament of penance.penkvilksite(mineralogy) A monoclinic-prismatic mineral containing hydrogen, oxygen, silicon, sodium, titanium, and zirconium.pennyweightsplural of pennyweightpennywhistle(music) Synonym of tin whistlepensionariesplural of pensionarypensionhouseAlternative form of pension house.pensionnaireSomeone who boards at a lodging-house, school, or other institution; a boarder, especially in France or other European countries.pentaacetate(organic chemistry) Any compound, but especially a derivative of a sugar, that has five acetate groupspentaalanine(organic chemistry) Any oligopeptide consisting of five alanine residuespentaarsenic(chemistry, in combination) Five arsenic atoms or ions in a compound (As₅).pentabismuth(chemistry, in combination) Five bismuth atoms or ions in a compound (Bi₅).pentabromide(chemistry) any bromide containing five bromine atoms in each moleculepentacalcium(chemistry, in combination) Five atoms of calcium in a compound.pentacerotid(zoology) Any fish in the family Pentacerotidae.pentachotomyThe division of one into five separate but related parts.pentachromatOne whose vision exhibits pentachromacy; one who can distinguish five primary colors.pentachromicContaining five colours.pentacoccous(botany) Composed of five united carpels with one seed in each.pentacoloredHaving five colors.pentacontane(organic chemistry) Any of very many isomers of the aliphatic hydrocarbon having fifty carbon atoms, but especially n-pentacontane CH₃(CH₂)₄₈CH₃pentacriniteAny crinoid of the genus Pentacrinites.pentacrinoid(zoology) An immature comatula when it is still attached by a stem.pentacrosticA set of verses arranged so that the name of the subject occurs five times, the whole set of verses being divided into five different parts from top to bottom.pentadactyleAlternative form of pentadactyl.pentadactylyThe condition of having five digits (fingers or toes) on a limbpentadecagon(geometry) A polygon with fifteen sides.pentadecamerAn oligomer having fifteen subunits.pentadecanal(organic chemistry) The aliphatic aldehyde that has 15 carbon atomspentadecanol(organic chemistry) A saturated aliphatic alcohol that has fifteen carbon atoms, but especially 1-pentadecanolpentadecimal(computing, mathematics) Based on the number 15; using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D and E.pentadecylic(organic chemistry) Relating to the pentadecyl radicalpentadentate(chemistry, of a ligand) Forming five separate chemical bonds to a coordinating metal ion.pentadienoicOf or pertaining to pentadienoic acid or its derivativespentadienone(organic chemistry) Any aliphatic ketone that has five carbon atoms and two double bondspentadrachmaAlternative form of pentadrachm.pentagalloyl(organic chemistry, in combination) Five galloyl groups in a compoundpentagastrinA synthetic polypeptide that has effects like gastrin when given parenterally.pentaglycineAn oligopeptide (or section of a protein) consisting of five glycine amino acidspentagonallyIn the form of a pentagon; with five angles.pentagrammicBeing or pertaining to a pentagram.pentaguanine(biochemistry) Five consecutive guanine residues in a protein or peptidepentahedronsplural of pentahedronpentahydrate(chemistry) A hydrate whose solid contains five molecules of water of crystallization per molecule, or per unit cell.pentahydrite(mineralogy) An evaporite, consisting of magnesium sulphate pentahydrate, with the chemical formula MgSO₄·5H₂O.pentahydroxy(organic chemistry, in combination) Five hydroxy groups in a molecule.pentalaminarHaving five layerspentalateral(geometry) A decagon whose opposite sides are parallel.pentalingualWritten in or otherwise expressed through five languages.pentalobularHaving five lobules.pentaluminum(chemistry, in combination) pentaaluminium.pentamannose(biochemistry) A pentasaccharide composed of five mannose unitspentamercury(chemistry, in combination) Five mercury atoms or ions in a compound (Hg₅).pentamerizedsimple past and past participle of pentamerizepentametristOne who writes in pentameter.pentamorphichaving five distinct formspentanedione(organic chemistry) Either of two isomeric aliphatic diketones (2,3-pentanedione, 2,4-pentanedione) derived from pentanepentanitride(inorganic chemistry) Any nitride containing five nitrogen atomspentanuclearHaving five nucleipentaoxolane(inorganic chemistry) The unstable allotrope of oxygen (O₅) composed of a ring of five atomspentapeptide(biochemistry) An oligopeptide formed from five amino acids.pentaphthong(phonetics, rare) A sequence of five vowels pronounced as, or almost as, a single syllable.pentaphyllon(obsolete) cinquefoilpentaplicateMade five times as much; fivefoldpentapolitanRelating to a pentapolispentaradiateHaving five rays.pentasphericAlternative form of pentaspherical.pentasternum(arachnology) The third sclerite of a segmented sternal complex.pentasulfate(chemistry) Any compound containing five sulfate groups or ionspentasulfide(US) Alternative spelling of pentasulphide.pentateuchalOf or pertaining to the Pentateuch, also known as the Torah.pentathletesplural of pentathletepentavalenceThe condition of being pentavalentpentavalencyAlternative form of pentavalence.pentazocinesplural of pentazocinepentecostiesplural of pentecostypenthiopyradA broad-spectrum carboxamide fungicide.pentifyllineA particular vasodilator.pentimentoed(art) Bearing a pentimento.pentlanditicOf or relating to the mineral pentlandite.pentosaceousRelating to, or containing pentosespentuplicateSynonym of quintuplicate.penultimatesplural of penultimatepenultimatum(diplomacy, chiefly humorous) A statement of terms or conditions made by one party to another, commonly expressed as an ultimatum in the hopes of compelling immediate compliance with demands, but that then is superseded by more negotiation instead of actual dire consequences.penwomanshipA woman's skill in handwriting.pepperoncinoAlternative form of peperoncino.peppershakerAlternative spelling of pepper shaker.peppershrikeAny vireo of the genus Cyclarhis, of Central and South America.pepsinogenicProducing pepsin.pepsinolysis(biochemistry) The lysis of proteins by means of pepsinpeptidogenicRelating to peptidogenesispeptidolysis(biochemistry) The cleavage or digestion of peptides.peptidolyticRelating to peptidolysis.peptidomimic(organic chemistry) Any peptide that take part in peptidomimicryperacephalusAn individual with a malformation of the headperadventure(literary) Chance, doubt or uncertainty.peraluminous(geology) Describing igneous rocks that have a higher molar proportion of aluminium to sodium, potassium and calciumperambulatedsimple past and past participle of perambulateperambulator(UK, Ireland, dated) A baby carriage.peratizationThe renormalization of unrenormalizable field theories.perbufyllineA particular bronchodilator.percarbonate(chemistry) Any of a family of perhydrates of carbonate compounds.perceivinglySo as to perceive; by means of, or accompanied by, perception.percentuallyIn percentual manner; proportionately, as measured in percent.perceptionalOf, pertaining to, or stimulated by perceptionperceptivelyIn a perceptive manner.perceptivityThe state or quality of being perceptive.perceptronicOf or relating to perceptrons.perceptuallyIn a perceptual manner.perchloridesplural of perchloridepercichthyid(zoology) Any fish in the family Percichthyidae.percipiendum(philosophy) That which is to be perceived.percipientlyIn a percipient manner.percontation(formal, rare or obsolete) an enquirypercontative(grammar, rare) That is, expressed in, or having the character of the grammatical mood (mode) of rhetorical questioning; percontatorial.percopsiform(zoology) Any fish of the order PercopsiformespercussionalInvolving or relating to percussion; percussive.percussivelyIn a percussive way.percutaneous(surgery) Taking place through the skin and involving a puncture thereof.percyquinninA metabolite related to vibralactone, isolated from a fungus.perdeuterateTo deuterate such that all (or all significant) hydrogen atoms are replaced with deuteriumperdurantism(philosophy) The theory that material objects have distinct temporal parts throughout their existence, rather than being persistent individuals that move through time.perdurantistA subscriber to the philosophy of perdurantism.peregrinatorOne who peregrinates; one who travels about.peremptorilyIn a peremptory manner; in a commanding tone, brooking no delay.perennialismPerennial philosophy.perennialistA supporter of perennialism.perennialityThe state of being perennial.perennialize(botany, intransitive) To return year after year as a perennial.perenniation(botany) The process or property of living for more than one year.perezhivanie(psychology) The cognitive sensation of an emotional experience.perfectationThe process or result of perfecting somethingperfectionalOf or relating to perfection; characterized by perfection.perfectivelyIn a perfective manner or contextperfectivity(grammar) The state of being in perfective aspect or the imperfective aspectperfectivize(transitive, grammar) To make perfective.perfervidityThe quality of being perfervid.perfidiouslyIn a perfidious manner.perfloxacineAlternative form of perfloxacin.perflubrodecperfluorodecyl bromideperflubutaneA contrast agent.perforationsplural of perforationperformancesplural of performanceperformantlyIn a performant way.performatismSynonym of performativity.performative(philosophy, linguistics) Being enacted as it is said.performatorySynonym of performative.performaunceObsolete form of performance.perfosfamide(pharmacology) The compound 4-hydroperoxycyclophosphamide, used in oncology and hematology.perfrication(medicine, archaic) A thorough rubbing, as with an ointment or embrocation.perfusionistA trained clinician who operates the heart-lung machine during cardiac and other surgeries.pergameneousParchment-like.perhexillineAlternative form of perhexiline.perhydrolase(biochemistry) Any enzyme that catalyses a reaction with hydrogen peroxideperhydroxide(inorganic chemistry) The anion OOH⁻ derived from hydrogen peroxideperiablationAlternative form of periablational.periablativeSurrounding an area of ablationperiadenitisThe inflammation of the tissues surrounding a gland.periadnexialMisspelling of periadnexal.perialveolar(anatomy) Around the alveoli.perianthless(botany) That lacks a perianthperiaortitisInflammation of the tissue surrounding the aorta.periapicallyIn a periapical mannerperiaqueduct(neuroanatomy) The area surrounding the cerebral aqueductperiarterial(anatomy) Around the artery.periaxonemalSurrounding an axonemepericallosal(anatomy) Of, relating to, or occurring in tissue surrounding the corpus callosum.pericapsidicSurrounding a capsid of a viruspericapsular(anatomy) Around a capsule.pericarditis(cardiology, pathology) Inflammation of the pericardium, the membrane that surrounds the heart.pericatheterSurrounding a catheterpericellular(anatomy) Surrounding a cell.pericementalAround the cement of a tooth.pericerebralAround the cerebrum.perichaetial(botany) Of or relating to the perichaeth.perichaetine(zoology) Having many setae per segment, like earthworms of the genus Perichaeta.perichaetium(botany) perichaethperichaetous(zoology, archaic) perichaetineperichondralSurrounding cartilageperichondriaplural of perichondriumperichoresis(Christianity) The doctrine of the Trinity.perichoreticRelating to perichoresis.periclinallyIn a periclinal mannerpericoitally(medicine) In a pericoital manner; around the time of sexual intercourse.pericondylarAround the condyle.pericoronarySurrounding the heartpericortical(anatomy) Surrounding a cortexpericratonic(geology) Surrounding a craton.pericynthionThe point in an elliptical orbit around the moon that passes closest to the moon.pericystitisinflammation of the tissues surrounding the bladderperidialysisBefore or after dialysisperidialyticRelating to peridialysisperidiastole(physiology, obsolete) The very brief period of time s between the systole and the diastole of the heart.peridomesticLiving in and around human habitations.peridomicileThe areas around a dwelling, especially the animal enclosures etc. of a rural dwellingperidontitis(pathology) inflammation and infection of the periodontiumperiductularAround a ductule.periduodenalAround the duodenum.peridynamics(physics) A form of mechanics concerned with discontinuities and fracturesperifistularAround a fistula.perifornicalAround the fornix.perigalacticOf or pertaining to a perigalacticonperiglobularSurrounding a globuleperigonadialAround the gonads.perigranularSurrounding a granuleperigulosideA particular steroid glycoside.perihematomaAlternative form of perihematomal.perihemotomaAlternative form of perihematomal.periischemic(pathology) Surrounding an area of ischemiaperijunction(anatomy) Alternative form of perijunctional.perikaryonicRelating to the perikaryon.perilesionalAround a lesion.perillartineThe oxime of perillaldehyde.perilousnessThe quality of being perilous.perimarginalAround a margin.perimedullarAlternative form of perimedullary.perimembraneSurrounding a membraneperimetazineAn antipsychotic drug.perimetricalof, relating to or having a perimeterperimodiolarSurrounding the modiolusperimorphismThe formation of perimorphs.perimortallyIn a perimortal mannerperimovementBefore and after a movement of the bodyperimuscular(anatomy) Around a muscle or muscles.perinatologyA branch of obstetrics focusing on the medical and surgical management of high-risk pregnancies.perinecroticSurrounding a necrosisperineometerAn instrument for measuring the strength of voluntary contractions of the pelvic floor muscles.perineometryThe measurement of the strength of voluntary contractions of the pelvic floor musclesperineurally(medicine) Near a nerve or nerves.perineuritis(medicine) Inflammation of the perineurium.perineuronalSurrounding a neuronperinigriconSynonym of peribothron (“periapsis of a black hole”).perintegrate(linguistics) To undergo perintegration.periocularly(anatomy) Around the eye.periodicallyIn a manner that is regular or periodic.periodontics(dentistry) The study of supporting structures of teeth, including the gums, alveolar bone, cementum, and the periodontal ligament, and the diseases and conditions that affect them.periodontistA dentist whose speciality is periodonticsperiodontiumThe specialized tissues that both surround and support the teeth, maintaining them in the maxillary and mandibular bones; the tissues including alveolar bone, cementum, gums and periodontal ligament.periodoscope(medicine) A table or other means of calculating the menstrual cycle.perioestrousRelating to perioestrusperiondontalMisspelling of periodontal.periostalgia(pathology) pain due to periostitisperiosteallyIn the periosteum.periostiallyMisspelling of periosteally.periostracalOf or pertaining to periostracum.periostracum(malacology) The proteinaceous outer sheath of many molluscan shells.perioxisomalMisspelling of peroxisomal.peripapillarAlternative form of peripapillary.peripartally(medicine) At around the time of childbirth.peripatellarAround the patella.peripatetickObsolete form of peripatetic.peripateticsplural of peripateticperipatopsid(zoology) Any velvet worm of the family Peripatopsidae.peripentonalThat surrounds a pentonperipersonalAround the person; near a person's body.peripetalous(botany) Surrounding, or situated around, the petals.peripherallyIn a peripheral manner.periphracticEnclosed; surrounded by some barrier.periphrasticExpressed in more words than are necessary.periplasting(biology) That removes the periplast from cellsperiplatform(geology) Surrounding a geological platformperiplogenin(organic chemistry) A cardenolide isolated from bael leaves.periplomatid(zoology) Any spoonclam in the family Periplomatidae.peripneumonyAlternative form of peripneumonia.peripneustic(entomology) Of one of the categories of hemipneustic tracheal systems, in which the spiracles are in incomplete rows along each side of the body, as in the holopneustic arrangement, but with slightly fewer pairs of spiracles.periportallyAround the portal vein.periprandialAround (before and/or after) a mealperipubertalAround the time of puberty.peripylarianSurrounding the pylorusperireceptorSurrounding a receptorperirolandic(anatomy) Surrounding the Rolandic fissureperisaccadicAround the time of a saccade of the eye.periscapularAround the scapula.periscopicalSynonym of periscopic.periseasonalRelating to each side of a seasonperiskeletal(anatomy) Around the skeleton.perispomenon(linguistics, of a word) Having a high-low pitch accent on the last syllable.perissologicAlternative form of perissological.peristaltickObsolete form of peristaltic.peristaltismSynonym of peristalsis.peristaltoidResembling peristalsis.peristeronicOf or pertaining to pigeons.peristeropodSynonym of pigeon-toed.peristimulus(biology) Around the time of a stimulus, when neurons fire.peristrephic(archaic, almost always of a panorama (set of moving pictures), especially of battles) Turning around; rotatory; revolving.peristriatal(anatomy) Surrounding the corpus striatum.perisurgicalAround the time of surgery.perisynaptic(neurology) Near a synapseperisynovialAround a synovium.perisystolicRelating to the perisystole.peritelomereThe area surrounding a telomereperithallialSurrounding a thallusperitheliomaSynonym of hemangiopericytoma.perithoracic(anatomy) Around the thorax.peritoneallyBy way of the peritoneumperitracheal(anatomy) Surrounding the tracheae.peritrichous(biology) Having flagella around the body or around the mouthperitrigonal(anatomy) Surrounding a trigoneperitrochium(mechanics) The wheel which, together with the axle, forms the axis in peritrochio.peritumorousSynonym of peritumoral.peritumouralAlternative form of peritumoral.periureteralAround the ureter.periuretericAround the ureter.periurethral(anatomy) Surrounding the urethraperivacuolarSurrounding a vacuoleperivalvularAround a valve.perivaricealSurrounding a varixperivascularAround or surrounding a blood vesselperivisceral(anatomy) Around the viscera.perivitellinAlternative form of perivitelline.periwinklingFishing for periwinkles.perjuriouslyIn a perjurious manner.perkinsozoan(protozoology, zoology) Any parasite of the superclass PerkinsozoaperleidiformAny extinct fish of the order PerleidiformesperlustratorOne who perlustrates.permabulkingpresent participle and gerund of permabulkpermaculture(agriculture) Any system of sustainable agriculture that renews natural resources and enriches local ecosystems.permafrostedPermanently frozen.permanenciesplural of permanencypermanentize(transitive) To make permanent.permanganate(inorganic chemistry) potassium permanganatepermastubble(colloquial) A perpetual growth of stubble, especially if deliberately maintained as a matter of personal style.permeabiliseAlternative form of permeabilize.permeabilityThe property of being permeable.permeabilize(transitive) To make something permeable.permeablizedMade permeablepermissionedsimple past and past participle of permissionpermissivelyIn a permissive manner.permissivism(epistemology) The belief that there are situations where the evidence for a proposition justifies either believing or doubting that proposition.permissivist(epistemology) A supporter of permissivism.permissivity(biology, of cells) Susceptibility to infection.permitholderOne who holds a permit.permittivity(physics) A property of a dielectric medium that determines the forces that electric charges placed in the medium exert on each other.permutationsplural of permutationpernambucone(organic chemistry) The tropone 3,8-dimethyl-5-isopropyl-2,3-dihydro-1H-azulene-1,6-dione present in Croton argyroglossumperniciouslyIn a pernicious manner.pernicketilyBritish English standard form of persnicketily.pernoctation(uncountable) The action of abiding through the night at a location; (countable) an instance of this; an overnight stay.perofskosideA particular steroid glycoside.peroperative(surgery) During an operationperorationalRelating to peroration.peroxidation(chemistry) Any oxidation reaction, especially of an oxide, that produces a peroxide.peroxidativeThat causes peroxidationperoxidizingpresent participle and gerund of peroxidizeperoxinectin(biochemistry) A form of peroxidase, present in crayfish blood, that functions in cell adhesionperoxyacetic(organic chemistry) peraceticperoxyacetyl(organic chemistry, especially in combination) The univalent radical derived from peroxyacetic acidperoxydation(chemistry) Reaction with a peroxideperoxyflavin(biochemistry) Any peroxy derivative of a flavin, in general formed by the reaction of a reduced flavin with dioxygen molecules.peroxygenase(biochemistry) Any enzyme that catalyses the formation of an alcohol by reaction with hydrogen peroxideperpetratingpresent participle and gerund of perpetrateperpetrationThe act of perpetratingperpetratorsplural of perpetratorperpetratrixfemale perpetratorperpetualityThe quality of being perpetual.perpetuatingpresent participle and gerund of perpetuateperpetuationThe act of prolonging existence, of keeping something alive or active.perpetuatorsplural of perpetuatorperpetuitiesplural of perpetuityperphenazineA potent anti-psychotic drug.perplexation(rare) The state of being perplexed; perplexity.perplexinglyIn a way or to an extent that is perplexing.perplexitiesplural of perplexityperquisitionA thorough inquiry or search.perruthenate(inorganic chemistry) The oxyanion of ruthenium RuO₄⁻ or any salt containing this anionperscriptionMisspelling of prescription.persecutionsplural of persecutionpersecutress(rare) A female persecutor.perseveranceContinuing in a course of action without regard to discouragement, opposition or previous failure.perseveratorOne who perseverates.perseverauntObsolete form of perseverant.perseverenceMisspelling of perseverance.persistentlyIn a persistent manner.persistinglyWith persistence.persistively(obsolete) persistentlypersonalisedsimple past and past participle of personalisepersonalisesthird-person singular simple present indicative of personalisepersonalizedsimple past and past participle of personalizepersonalizerOne who or that personalizes.personalnessThe state of being personalpersonaltiesplural of personaltypersonalzine(fandom slang) A fanzine produced by a single person, often covering that person's own interests and activities.personationsplural of personationpersonifiersplural of personifierpersonifyingpresent participle and gerund of personifypersonnelman(US) Someone (of any gender) serving in the United States Navy.personocracy(politics) A more participatory form of democracy, intended to care for every person and not just the majority.perspectivalOf or pertaining to perspective.perspectivesplural of perspectiveperspectivicOf or pertaining to perspective.perspicacityAcute discernment or understanding; insight.perspicience(obsolete) The act of looking sharply; keen vision.perspirationThe action or process of perspiring.perspiratory(dated) Of or pertaining to perspiration.perspiringlyWhile perspiring; with perspiration or sweat.perstraction(chemistry) A separation process in which a solution is permeated through a membrane and subsequently extracted with a solventpersuadinglypersuasivelypersuasivelyIn a manner intended to convince or persuade.persulfurane(chemistry) Any compound, of general formula SR₆, containing hexavalent sulfur attached to six atoms or groups.persulphuret(chemistry, obsolete) persulfidepersymmetric(mathematics, of a square matrix) Such that the values on each line perpendicular to the main diagonal are the same for a given line.pertechnetic(inorganic chemistry) Relating to pertechnetic acid or its derivativespertecnetateMisspelling of pertechnetate.perticularlyObsolete form of particularly.pertinaceousAlternative form of pertinacious.pertinaciousHolding tenaciously to an opinion or purpose.pertransient(rare) Passing through; transient.perturbation(uncountable) Agitation; the state of being perturbed.perturbativeOf, pertaining to, or causing perturbationperturbatoryRelating to, or causing, perturbation.perturbatourObsolete form of perturbator.perturbinglyIn a manner that perturbs.pervalicious(slang, rare) Perverted in a delicious or appealing way.perversenessThe quality of being perverse; doggedness, obstinacy.pervestigate(obsolete) To investigate thoroughly.perviabilityThe property of being perviable.pervicacious(possibly rare) Extremely stubborn or headstrong; wilful, obstinate.perviousnessThe quality or state of being pervious.pervulgation(obsolete) The act of publishing; publication.pescatourismtourism centred on fishingpessoptimistA person who possesses elements of both pessimism and optimism.pesticidallyIn the manner of a pesticidepestilentialOf or relating to pestilence or plague.pestologicalRelating to pestology.petaliferous(botany) Bearing petals.petaloideous(archaic, botany) Having some or all of the perianth petalous.petechiation(pathology) The presence of petechiae on the skinpetidoglycanMisspelling of peptidoglycan.petitionableThat can be petitionedpetitjeanite(mineralogy) A triclinic-pedial mineral containing bismuth, hydrogen, oxygen, and phosphorus.petrichloralA sedative and hypnotic drug related to chloral hydrate.petridophyteMisspelling of pteridophyte.petrifactionPetrification.petrifactiveHaving the quality of converting organic matter into stone; petrifying.petrificated(obsolete) petrifiedpetrificiousCausing petrificationpetrobasilarpetrous and basilarpetrochemistOne who studies or works in petrochemistry.petrocortyne(organic chemistry) Any of a group of cytotoxic polyacetylenes extracted from marine sponges of the family PetrosiidaepetrocultureA culture that is dependant on and shaped by oil and petrochemicals.petrodentineA very hard, hypermineralized form of dentine.petrodollarsplural of petrodollarpetrofabricsThe analysis of rock fabric.petrofictionfiction that focuses on the oil industry as a major element.petrogenesisRock formation, especially the formation of igneous or metamorphic rocks.petrogenetic(geology) Of or pertaining to petrogenesis, the creation of new rock.petrogeologyPetroleum geology.petroglyphicOf or pertaining to petroglyphs.petrographerA person practicing petrography.petrographicRelating to petrographs.petroleomics(organic chemistry) The identification of the totality of the constituents of naturally-occurring petroleum and crude oilpetrologicalOf or pertaining to petrology, the study of rock formation and compositionpetrologistsplural of petrologistpetromastoid(anatomy) Of or relating to the petrous and mastoid parts of the temporal bonepetromyscineAny rodent of the genus Petromyscuspetromyzonid(zoology) Alternative form of petromyzontid (family).petromyzonol(organic chemistry) The sterol 3α,7α,12α,24-tetrahydroxy-5α-cholane that is a spawning pheromone in lampreyspetropedetid(zoology) Any frog in the family Petropedetidae.petrophilousThriving in a rocky environment.petrophysics(geology, physics) The physics of rock, especially rock that acts as a reservoir for petroleum or other fluidspetroplasticA plastic produced from petroleum, as opposed to bioplastic.petroproductA petroleum product; either crude oil or a derivative.petrorevenue(rare) Revenue from the export of oil.petrosectomy(surgery) The removal of air cells from a bone, typically from the temporal bone before a cochlear implant.petroselinicOf or pertaining to petroselinic acid or its derivatives.petrovskaite(mineralogy) A monoclinic mineral containing gold, selenium, silver, and sulfur.petscheckite(mineralogy) A trigonal-hexagonal scalenohedral black mineral containing iron, niobium, oxygen, tantalum, and uranium.petticoateryFeminine activity and pursuits.petticoatingMaterial for petticoats.pettifoggersplural of pettifoggerpettifoggeryThe actions of a pettifogger; a trivial quarrel.pettifoggingpresent participle and gerund of pettifogpettyfoggingpresent participle and gerund of pettyfogpfeffernusseplural of pfeffernussphacodonesisThe vibration of the lens accompanying eye movement.phacomatosisAlternative form of phakomatosis.phacomorphicRelating to the shape of a lensphaenogamous(botany, archaic) Having true flowers with distinct floral organs; flowering.phaenozygousAlternative form of phenozygous.phaeomelanic(biology) Having red or yellow hair or furphaeomelaninAlternative spelling of pheomelanin.phaeophyceanAny member of the Phaeophyceae; a brown alga.phaeopigment(biochemistry) A non-photosynthetic pigment which is the degradation product of algal chlorophyll pigments. It is commonly formed during and after marine phytoplankton blooms.phaeosporousOf or relating to phaeospores.phagedaenousAlternative form of phagedaenic.phagedenicalAlternative form of phagedaenic.phagocytable(biology) Capable of being phagocytosedphagocyticalSynonym of phagocytic.phagocytisedsimple past and past participle of phagocytisephagocytisesthird-person singular simple present indicative of phagocytisephagocytizedsimple past and past participle of phagocytizephagocytizesthird-person singular simple present indicative of phagocytizephagocytosedengulfed and ingested as a result of phagocytosisphagocytosis(immunology, cytology) A form of endocytosis in which a cell incorporates a particle by extending pseudopodia and drawing the particle into a vacuole of its cytoplasm.phagocytoticRelating to phagocytosis.phagokinesisThe deposition of a phagokinetic trailphagokinetic(biology) Describing the tracks left as a motile cell moves across a surface, engulfing and absorbing nanoparticles or quantum dots as it movesphagomimetic(microbiology) That mimic the action of phagocytesphagomimicry(ecology) The mimicking of food to the extent that it will generate a feeding response.phagotrophic(microbiology) Feeding by engulfing a food cell or particle and ingesting it in a phagocytic vacuole, in the manner of some flagellates.phakomatosisAny of a group of neurocutaneous disorders of the central nervous system causing lesions on the skin and eye.phalaenopsid(botany) Any moth orchid of the genus Phalaenopsisphalaenopsis(botany) Any of the genus Phalaenopsis of moth orchids.phalangiform(biology) Resembling a phalanx.phalangopsidAny insect of the genus PhalangopsisphalanstericOf or relating to a phalanstery.phalaropodid(zoology) Any bird in the family Phalaropodidae , now considered to be part of the Scolopacidae; a phalarope.phaleristics(very rare) The study of orders, fraternity, and award items.phallapodeme(entomology) A sclerite articulating with the phallus.phallocraticPertaining to government or dominance by males.phallologistAn expert in phallologyphallometricOf or pertaining to phallometry.phallophilia(sexuality) A paraphilia involving the sexual attraction or arousal to penises.phallophilicAlternative form of phallophiliac (“being sexually attracted to penises”).phallophobiaFear or dislike of the penis or of male sexuality.phallophobicExhibiting or relating to phallophobia.phallophoriaA ceremonial procession, in honour of Dionysus, in which a phallus is carriedphallophoricRelating to, or characteristic of a phallophoriaphallophorusThe person who carries the phallus in a phallophoriaphalloplasty(surgery) Plastic surgery to construct or repair a penis, performed to repair injury or as part of sex reassignment surgery.phanerogamic(botany) That reproduces via seeds (rather than spores)phaneromaniaAn uncontrollable impulse to pick at a spot or growth on one's body; the habit of picking at scabs, biting one's nails, or picking pimples.phaneromeric(geology) formed of minerals that can be distinguished with the naked eyephanerophyte(biology) Any woody plant that carries its dormant buds openly on branches above the ground.phaneroscope(historical) A medical instrument for making the skin appear luminous and translucent, consisting of a tube with a lens at one end and an aperture at the other, used in conjunction with a light.phantasmallyIn a phantasmal manner.phantasmaticPhantasmal, incorporeal.phantasmicalAlternative form of phantasmic.phantasticalArchaic spelling of fantastical.phantastikonA product of the imaginationphantastiqueArchaic form of fantastic.pharisaicismAlternative form of pharisaism.pharmabioticAny material with potential health benefit that can be mined from host, microbe, dietary interactions in the gut.pharmaceuticpharmaceuticalpharmacogeneAny gene that interacts with a pharmaceuticalpharmacolite(mineralogy) A monoclinic-domatic mineral containing arsenic, calcium, hydrogen, and oxygen.pharmacologyThe science of drugs, including their origin, composition, pharmacokinetics, therapeutic use, and toxicology.pharmacopeiaAlternative form of pharmacopoeia.pharmacopeic(American spelling, pharmacology, pharmacy) Alternative spelling of pharmacopoeic.pharmacopole(archaic) Synonym of quack: a peddler of fraudulent medicines and cures.pharmacraticOf or relating to pharmacracy.pharyngalgiaPain in the pharynx.pharyngeallyVia the pharynxpharyngismusspasm of the pharynxpharyngology(medicine) The science that studies the pharynx and treatment of its diseases.pharyngotome(historical, surgery) An instrument for incising or scarifying the tonsils, etc.pharyngotomy(surgery) The operation of making an incision into the pharynx, to remove a tumour or anything that obstructs the passage.phasematched(physics) Having matched phasesphaseoliform(chiefly mycology, of a spore) Shaped like a bean; like a bent ellipsoid.phaseollidinA flavonoid found in Phaseolus vulgaris and other plants.phasianellid(zoology) Any member of species of the family Phasianellidae of gastropods.phasmatodeanAny stick insect of the order PhasmatodeaphasmophobiaThe fear of ghosts/supernatural beings.phasmophobicOf or pertaining to phasmophobia.pheasantlessWithout pheasants.pheasantlikeResembling or characteristic of a pheasant or its meat.pheasantwoodThe tree Senna siamea.pheganomycin(organic chemistry) A peptide antibiotic produced by Streptomyces cirratusphellandrene(chemistry) Either of a pair of organic cyclic monoterpenes, α-phellandrene and β-phellandrene, used in fragrances.phellodermalOf or pertaining to phelloderm.phellopterinA coumarin found in the plant Angelica archangelica.phenacetolin(chemistry, dated) A yellowish-brown powder obtained by the action of sulphuric acid on glacial acetic acid and phenol.phenanthrene(organic chemistry) A tricyclic aromatic hydrocarbon obtained from coal tar; used in the manufacture of dyes, pharmaceuticals and explosives; it is isomeric with anthracene.pheneticallyIn a phenetic mannerphengophobia(rare) aversion to daylightphenindamineA particular antihistamine drug, closely related to cyproheptadine.pheniprazineA hydrazine drug formerly used as an antidepressant.phenoclusterA cluster of phenotypes (not necessarily relatedphenoconvertSynonym of phenocopy.phenocopyingpresent participle and gerund of phenocopyphenocrystalSynonym of phenocryst.phenocrysticRelating to phenocrysts.phenodeviant(genetics) An individual whose phenotype is significantly different from that of others in the populationphenogeneticRelating to phenogeneticsphenogenomicRelating to phenogenomicsphenologicalOf or pertaining to phenologyphenomenallyIn a manner that is extraordinary or amazing.phenomenicalOf or pertaining to phenomena.phenomicallyIn a phenomic mannerphenomorphan(pharmacology) A particular narcotic painkiller.phenospeciesA species differentiated from others by its phenotypephenotypicalOf or pertaining to a phenotype.phensuximide(pharmacology) An anticonvulsant drug C₁₁H₁₁NO₂ sometimes used in the treatment of absence seizures.phentolamine(pharmacology) A synthetic compound used as a vasodilator, especially in certain cases of hypertension.phenyboronicMisspelling of phenylboronic.phenylaceticOf or pertaining to phenylacetic acid or its derivativesphenylacetyl(organic chemistry, especially in combination) Any phenyl derivative of an acetyl groupphenylalaninDated form of phenylalanine.phenylalanyl(organic chemistry, especially in combination) The univalent radical derived from phenylalaninephenylalkane(organic chemistry) Any phenyl derivative of an alkanephenylarsine(organic chemistry) A phenyl derivative of arsine C₆H₅AsH₂phenyldecane(organic chemistry) Any phenyl derivative of a decanephenylethaneethylbenzenephenylindole(organic chemistry) An indole into which a phenyl group has been substitutedphenylketone(organic chemistry) Any phenyl ketone C₆H₅CO-Rphenylmethyl(organic chemistry) Benzyl: the cyclic radical, ion or functional group having the formula C₆H₅CH₂phenylpropyl(organic chemistry, especially in combination) Any phenyl derivative of a propyl radicalphenylsilane(organic chemistry) Any silane containing a phenyl group directly attached to a silicon atomphenyramidolAlternative form of fenyramidol.pheophorbide(organic chemistry) Any of several breakdown products of pheophytinpheromonallyIn terms of, or by means of, pheromones.phetharbitalA barbiturate derivative with anticonvulsant effects and relatively weak sedative action.phicoerytrinMisspelling of phycoerythrin.phidoloporid(zoology) Any bryozoan in the family Phidoloporidae.philadelphus(botany) Any of the genus Philadelphus of shrubs.philalethist(obsolete) A lover of truth.philanderersplural of philandererphilanderess(rare) A female philanderer.philanderingpresent participle and gerund of philanderphilanderousphilanderingphilanthrope(archaic) A philanthropist.philanthropy(uncountable) Charitable giving, charity.philatelicalRelating to philately.philathleticFond of athletics.philharmonic(music) Appreciative of music, but especially to its performance; devoted to music.philhellenicLoving Greece or Greek culture.philippicize(rare) To engage in a tirade or diatribe full of bitter condemnation.philistinishLike a philistine; lacking appreciation for art or culture.philistinismA materialistic attitude accompanied by ignorance of artistic or cultural matters.phillumenism(rare) Synonym of phillumeny.phillumenistA person who collects match-related items, like matchbox labels, matchboxes, matchbooks, or matchbook covers.philobiblian(obsolete) Fond of books; devoted to literature.philobiblistA person who is fond of books.philodendronAny of several climbing plants, of the genus Philodendron, native to America and the West Indies that are often grown as house plants.philodoxicalInterested in opinions or beliefs, rather than facts.philogastricFond of eating.philographerA person devoted to studying and producing written works.philographicHaving or relating to a love of writing.philolithite(mineralogy) A tetragonal-ditetragonal dipyramidal mineral with the chemical formula Pb₁₂O₆Mn₇(SO₄)(CO₃)₄Cl₄(OH)₁₂.philologicalOf or pertaining to the history of literature and words.philologistsplural of philologistphiloneisticFavorable to change and dismissive of new ideas or innovations.philopolemic(rare) Exalting or supporting conflict or war.philopotamid(zoology) Any caddis fly in the family Philopotamidae.philosemiticAlternative letter-case form of philo-Semitic.philosopauseThe informally observed tendency of mature or elderly scientists, who apparently have outlived their most productive years of research and similar practical work, to discontinue or decrease their participation in such activity, in favour of pursuing, and often publishing, philosophical theories or speculations. Commonly the implication is that such works are beyond the authors' recognised field of competence, and, as a result, typically of disappointing value or standard.philosophate(rare) To philosophize.philosopheme(philosophy) A philosophical statement, theorem or axiom.philosophersplural of philosopherphilosophess(rare) A female philosopher.philosophickObsolete form of philosophic.philosophiesplural of philosophyphilosophise(UK, Australia, New Zealand) Alternative spelling of philosophize.philosophismspurious philosophy; the love or practice of sophistryphilosophistA practitioner or adherent of philosophism.philosophizeTo ponder or reason out philosophically.philotechnic(dated) Fond of the arts.philotherian(rare) A lover of animals.phlebobranch(zoology) Any of the Phlebobranchia.phlebographyAn X-ray examination of a system of veins that have been injected with a contrast medium.phlebologistOne who works in the field of phlebology; a vein specialist.phlebomegalyvaricose veinsphlebostasis(medicine) A slowing of the flow of blood through the veinsphlebostaticRelating to phlebostasisphlebotamineMisspelling of phlebotomine.phlebotomiesplural of phlebotomyphlebotomineAny fly of the subfamily PhlebotominaephlebotomiseAlternative form of phlebotomize.phlebotomistA practitioner of phlebotomy.phlebotomize(transitive) To perform a phlebotomy on (a vein): to open (a vein) to withdraw or let blood.phlegmagogicExpelling phlegm.phlegmagogue(obsolete) Any medicine supposed to expel phlegm (the humor).phlegmatiqueObsolete form of phlegmatic.phlegmatizedsimple past and past participle of phlegmatizephlegmatizerA material added to an explosive to make it less susceptible to detonation and thus more stable and safer to handle and transport.phlobatanninAny tannin related to or composed of phlobaphenesphloephagous(biology) That feeds on phloemphlogisticalAlternative form of phlogistic.phlogistonicOf or pertaining to phlogiston or the theory of phlogiston.phlogogenous(medicine, archaic) Causing inflammation.phlomisosideAny of a group of glycosides present in plants of genus Phlomis.phlorizinizeTo treat with phlorizin.phloroglucin(organic chemistry, dated) phloroglucinolphlorotannin(organic chemistry) A form of tannin, found in brown algae, that is composed of oligomers of phloroglucinolphlyctaeniid(zoology) Any placoderm in the family Phlyctaeniidae.phlyctaenoidAlternative form of phlyctenoid.phlyctaenousAlternative form of phlyctenous.phlyctenular(medicine) Characterized by the presence of small pustules, or whitish elevations resembling pustules.phobanthropyA morbid dread of humankind.phobiaphobiaThe fear of fear itself.phoeniconone(organic chemistry) A particular carotenoid.phogocytosisMisspelling of phagocytosis.phonaesthemeAlternative spelling of phonestheme.phonascetics(rare, obsolete) treatment for restoring or improving the voicephonautogramA recording made with a phonautograph.phonemicallyBy means of, or in terms, of phonemes.phonemicnessSynonym of phonemicity.phoneographyThe use of a mobile phone to take photographs.phonescopingphotography with a mobile phone that is connected to a spotting scopephonesthemicOf or pertaining to a phonestheme.phonesthesiaAlternative spelling of phonaesthesia.phonestheticAlternative spelling of phonaesthetic.phoneticallyIn the way it sounds, particularly: written to describe the sound rather than the dictionary spelling.phoneticiansplural of phoneticianphoneticistsplural of phoneticistphoneticizedsimple past and past participle of phoneticizephoneticizesthird-person singular simple present indicative of phoneticizephonocamptic(obsolete) reflective of sound.phonocentricSupporting or relating to phonocentrism.phonogrammicOf or relating to phonograms.phonographer(obsolete) A person skilled at phonography.phonographicof or relating to phonography or to a phonographphonologicalOf or relating to phonology.phonologistsplural of phonologistphonomimeticThat mimics a soundphonomyogramThe record produced by phonomyography.phonosurgery(surgery) Surgery to the voicebox or vocal cords.phonotactics(linguistics, phonology) A branch of phonology that deals with the restrictions a language applies to combinations of phonemes.phonotopicalIn which each separate position is associated with a different soundphonotypicalAlternative form of phonotypic.phorboxazole(organic chemistry) Any of a group of complex organic compounds, containing oxazole rings, isolated from marine sponges of the genus Phorbas; some of these exhibit cytostatic activity.phoreticallyIn terms of, or by means of, phoresis.phormiaceous(botany, relational) Of or relating to the Phormiaceae.phorusrhacidAny of the extinct flightless birds of the family Phorusrhacidae, which inhabited South America from the early Cenozoic era until about 0.1 million years ago.phosgenation(inorganic chemistry, organic chemistry) Reaction with phosgene (or with triphosgene)phosichthyid(zoology) Any fish in the family Phosichthyidae.phosphamidonA particular organophosphate insecticide, highly toxic to mammals.phosphammite(mineralogy) A monoclinic-prismatic colorless mineral containing hydrogen, nitrogen, oxygen, and phosphorus.phosphatasesplural of phosphatasephosphatemia(medicine) The presence of phosphate in the blood.phosphatidesplural of phosphatidephosphatidic(chemistry) Of or pertaining to a phosphatidephosphatidyl(organic chemistry) A radical derived from a phosphatidephosphatizedsimple past and past participle of phosphatizephosphatonin(biochemistry) Any of a class of proteins that control phosphate homeostasisphosphatrane(organic chemistry) Any atrane having phosphorus as the heteroatomphosphaturia(pathology) The presence of phosphate in the urine.phosphaturic(pathology) Relating to phosphaturia.phosphindole(organic chemistry) A heterocycle formally derived from indole by replacing the nitrogen atom with phosphorusphosphoamideAlternative form of phosphamide.phosphoanionAny phosphorylated anionphosphoarrayAn array of phosphorsphosphoclineA layer in a body of water in which the phosphate concentration changes rapidly with depthphosphodimer(organic chemistry) A dimer in which the two monomers are joined by one or more phosphate groupsphosphodonor(biochemistry) Any substance that donates a phosphoryl groupphosphoester(organic chemistry) A phosphate esterphosphoether(organic chemistry) An ether of a phosphonic acidphosphoimageAn image made using a phosphoimagerphospholipid(organic chemistry) Any lipid, such as lecithin or cephalin, consisting of a diglyceride combined with a phosphate group and a simple organic molecule such as choline or ethanolamine; they are important constituents of biological membranes.phospholysisMisspelling of phosphorolysis.phospholyticAlternative form of phosphorolytic.phosphomimic(of a protein) Modified (by amino acid substitution) to mimic a phosphorylated proteinphosphomotif(biochemistry) A sequence of phosphopeptidesphosphomycinAlternative form of fosfomycin.phosphoniumsplural of phosphoniumphosphoranesplural of phosphoranephosphoranyl(organic chemistry) Any organophosphorus radical of the form R₄P.phosphoratedsimple past and past participle of phosphoratephosphoratesthird-person singular simple present indicative of phosphoratephosphorelay(biology) The multi-stage process, involving the movement of phosphoryl groups by histidine kinases, of bacterial signal transductionphosphoremia(pathology) The presence of phosphorus (typically as some form of phosphate) in the bloodphosphoreous(obsolete) phosphorescentphosphoresceTo exhibit phosphorescencephosphoreticexhibiting phosphorescencephosphorical(obsolete) Producing light; luminous, glittering.phosphorisedsimple past and past participle of phosphorisephosphoritesplural of phosphoritephosphoritic(mineralogy) Pertaining to, resembling, or containing phosphorite.phosphorizedsimple past and past participle of phosphorizephosphorlessWithout phosphor.phosphoruriaa higher than normal amount of phosphate in the urine; a symptom of renal failurephosphoshiftA shift in the position of a protein in Western blot analysis (or similar) upon phosphorylationphosphostainA phosphoprotein gel stainphosphosugar(biochemistry) Any sugar (or higher carbohydrate) that is esterified with a phosphate groupphosphothiol(inorganic chemistry) The compound S=P(OH)₃phosphourousMisspelling of phosphorous.phosphureted(obsolete, chemistry) treated, or reacted with phosphorus.photelectricDated form of photoelectric.photichthyidAlternative form of phosichthyid.photoablatedablated by photoablationphotoactinic(obsolete, physics, chemistry) photochemicalphotoadaptedadapted by photoadaptationphotoagonism(biochemistry) photochemical agonismphotoalidadeA surveying instrument used to plot lines and measure directions between terrestrial features from photographsphotoalignedaligned by means of photoalignmentphotoallergy(medicine) An allergy that is activated by light.photoantenna(biochemistry) The structure, in a flavoprotein etc, that interacts with lightphotoantigen(immunology) A substance that produces an immune response in the presence of lightphotobiologyThe study of the effects of light on living organisms, and on biological processesphotobiomassphotochemical biomassphotobionticMisspelling of photobionic.photoblastic(biology) Of a seed: having its germination affected by light, either positively or negatively.photoblocker(biochemistry, lithography) A substance that stops light.photobloggerOne who publishes a photoblog.photobombingThe practice or phenomenon of making an unexpected appearance in a photograph, especially with the deliberate intention of ruining it.photocaptureTo select and then produce a still image from a moviephotocarrier(physics) A photoexcited electrical carrier in a semiconductor.photocascade(chemistry) A photochemical cascade (series of reactions)photocathode(physics) A cathode that emits electrons when exposed to light.photocentric(astronomy) Relating to a photocentrephotoception(physiology) The perception of lightphotoceptive(physiology) Relating to photoceptionphotoceramicA photograph reproduced upon a ceramic surface.photochemistA chemist who works in photochemistryphotochopper(electronics) An optoelectronic device that converts a DC input signal into a higher frequency signal.photochromicOf, related to, or produced by photochromismphotocleavedsimple past and past participle of photocleavephotocollageA form of collage made by assembling photographs.photocomposeTo use photocomposition to prepare text for printingphotocontrolThe control of a system using lightphotoconvertTo convert by light, usually an intense flash.photocopiersplural of photocopierphotocopyingThe process by which photocopies are made.photocounterA device that counts photons.photocoupledcoupled by means of a photocouplerphotocouplerAn optoisolator.photocurableAble to be photocured.photocurrentAny electric current that flows as a result of photoconductivity or the photovoltaic effectphotodamagedHaving undergone photodamage.photodegradeto decompose as a result of exposure to light, especially that of the sun.photodensityThe optical density of an object, but especially that of tissue and bone to X-raysphotodisruptTo cause photodisruptionphotodynamicOf, relating to, or caused by the energy or momentum of light or other electromagnetic radiations.photoecologyThe application of aerial photography to ecology and land managementphotoelastic(of a material) exhibiting birefringence when stressedphotoelementThe part of a photoelectric device that converts light energy into electricityphotoemitterA material that exhibits the photoemission of electrons when illuminatedphotoengraveTo make a photoengraving of an imagephotoenhance(transitive) To enhance by means of photoenhancement.photoentrain(physiology) To entrain a circadian rhythm by means of lightphotoetchingA photolithographic etching process.photoexcitedsimple past and past participle of photoexcitephotoexposedsimple past and past participle of photoexposephotofission(nuclear physics) Nuclear fission as the result of the absorption of a gamma ray or other high-energy photon.photofittingThe production of a sketch of a criminal from available information, often specifically DNA.photogelatingelatin, coated on a glass plate, that carries an image to be printed by the collotype processphotogenesisThe emission of light, as by certain bacteria.photogeneticExhibiting, or pertaining to, photogenesis.photogeologyThe use of aerial photography to interpret geologic featuresphotoglycine(organic chemistry) glycinphotoglyphicRelating to the art of photoglyphyphotoglypticAlternative form of photoglyphic.photographedsimple past and past participle of photographphotographeeOne who is photographed.photographer(photography) One who takes photographs, typically as an occupation.photographicPertaining to photographs or photography.photogravure(uncountable) An intaglio process for printing photographic reproductions in newspapers and books.photoheating(physics, astronomy) heating by the action of lightphotohormoneMisspelling of phytohormone.photoimagingThe formation of an image by the use of lightphotoinducedinduced as a result of interaction with electromagnetic radiation in the visible and near-visible range.photoinhibitTo photochemically inhibitphotoionisedAlternative spelling of photoionized.photoionizedsimple past and past participle of photoionizephotojournalA journal in the form of a collection of photographs that tell a story.photokillingkilling (especially of bacteria, or of cancer cells) by means of lightphotokinesesplural of photokinesisphotokinesisAny movement that is in response to light.photokineticOf or pertaining to photokinesis.photolabeledHaving a photolabelphotologicalRelating to photology.photolurkingThe practice of viewing online photos, especially those of strangers, without leaving comments, but possibly discussing them with third parties.photolysableCapable of photolysis.photolyzableAlternative form of photolysable.photomedicalRelating to photomedicine.photomesonicRelating to photomesons.photometeredsimple past and past participle of photometerphotometricsThe science of photometry.photometristA specialist in photometry.photomontage(photography) A composite image combining two or more photographs.photoneutral(biology, physics) Unaffected by the action of lightphotoneutron(nuclear physics) A free neutron produced by a photonuclear reactionphotonicallyBy means of photonics.photonuclear(physics) Of or relating to any nuclear reaction involving a photon.photooxidant(chemistry) The product of a photooxidation reactionphotooxidase(biochemistry) photochemical oxidasephotooxidizeTo oxidize photochemicallyphotopatternAn etching produced by photopatterning.photopentodea pentode whose electrical characteristics are light-sensitivephotopeptide(biochemistry) Any photoactivatable peptidephotophilousThriving in the presence of light.photophobiasplural of photophobiaphotophobous(biology) That thrives at a relatively low light level; photophobic.photophygous(biology) That thrives in shadephotophylousMisspelling of photophilous.photophysics(physics) The physics of light, especially of its interaction with matter.photopigmentAny pigment that is unstable in the presence of light; used especially of the chromophore pigments in the rod cells and cone cells of the eyephotoplotterAn electromechanical-optical machine that exposes a latent image on a medium by means of a computer-controlled light source.photopolymer(chemistry) Any polymer that reacts to light with a physical or chemical change, used especially for teeth fillingsphotoprocessAny printing process that involves photographyphotoproduce(transitive) To produce by means of photoproduction.photoproduct(chemistry) Any product of a photochemical reaction.photoprotect(transitive) To have a photoprotective effect upon.photoprotein(biochemistry) Any of several proteins that generate light when oxidized, normally without the aid of an enzyme catalystphotoquadratA quadrat that is photographed for later analysis of species contentphotoreactor(chemistry) Any vessel in which a photochemical reaction takes placephotoreagent(chemistry) Any photochemical reagentphotorealism(art) An extremely realistic style distinguished by paintings, drawings, etc. that are nearly indistinguishable from photographs, frequently produced by tracing and emulating an original photograph.photorealistAn artist who works in photorealism.photorelease(chemistry, physics) The photoinduced release of one compound from anotherphotorespireTo undergo photorespirationphotoscannerA device which photographically records the gamma rays passing through tissue that has been injected with a radioactive material.photoscienceAny branch of physics, chemistry or biology concerned with the actions of light.photosensingphotoelectric or photochemical sensingphotosensoryRelating to the perception of light (in the eye or other photoreceptor)photosharing(Internet) The sharing of photographic images, especially via social networking sitesphotoshoppedOf an image, digitally edited or altered.photoshopperSomeone who photoshopsphotospheresplural of photospherephotosphericof, relating to, or occurring in the photospherephotostatterOne who photostats.phototesting(gerund) The act or process of phototesting.phototherapyThe use of light to treat disorders of the skin, and certain mood disorders.photothermal(physics) Involving the production of heat by photoexcitation.photothermicRelating to both light and heat.phototourismtourism with the aim of taking photographsphototriggerA trigger enabled by lightphototrophic(biology) That exhibits phototrophyphototrophinMisspelling of phototropin.phototropism(biology) The movement of a plant towards or away from light.phototunableHaving optical properties that may be tuned (adjusted)phototypeset(transitive) To typeset by a phototypesetting process.photovoltage(physics) A voltage produced by the photovoltaic effectphotovoltaicProducing a voltage when exposed to light.photowrittensimple past and past participle of photowritephragmoconic(malacology) Relating to, or composed of, phragmocone(s).phragmoplast(biology) A structure that forms in plant cells during late cytokinesis and serves as a scaffold for cell plate assembly and subsequent formation of a new cell wall separating the two daughter cells.phragmosomalOf or relating to a phragmosome.phragmospore(botany) A plant spore that has multiple transverse septaphrasemakersplural of phrasemakerphrasemakingThe crafting of phrases; the art of rhetoric.phrasemonger(derogatory) One who uses overelaborate or wordy phrases.phraseographSynonym of phraseogram.phraseologicAlternative form of phraseological.phreatically(geology) By phreatic means.phreatophyte(biology) Any plant, typically living in deserts, that obtains its water from long taproots that reach the water tablephreniclasiaSynonym of phrenemphraxis.phrenicotomyAlternative form of phrenectomy.phrenocostal(anatomy) Relating to the ribs and diaphragm.phrenographydescriptive psychologyphrenologistAn adherent or practitioner of phrenology.phrenologize(transitive) To measure and analyze according to phrenology.phrenopathia(archaic) mental illnessphrenopathic(archaic) Relating to mental illness.phrenoplegia(pathology, rare) Paralysis of the diaphragm.phrontisteryA place for thinking.phthalazinesplural of phthalazinephthalimidesplural of phthalimidephthalimidyl(organic chemistry, especially in combination) A radical derived from phthalimide.phthisiology(medicine) The care, treatment, and study of tuberculosis of the lung.phycocolloidAny of several algal-derived colloids, including alginates, carrageenans, and agars.phycocyanineAlternative form of phycocyanin.phycocyaninsplural of phycocyaninphycoerythinMisspelling of phycoerythrin.phycologicalOf or pertaining to the scientific study of algae.phycologistsplural of phycologistphycomycetesplural of phycomycetephycomycosiszygomycosis caused by PhycomycetesphycomycoticOf or pertaining to phycomycosis.phycophaeineDated form of phycophaein.phycoxanthin(dated) A yellowish colouring matter found in certain algae.phylacteriedHaving or wearing a phylactery.phylacteriesplural of phylacteryphylactocarp(zoology) A branch of a plumularia specially modified in structure for the protection of the gonothecae.phylanthropyObsolete form of philanthropy.phyleticallyIn a phyletic manner.phylloborateAny of a class of borate minerals with sheet-like structure.phyllocladesplural of phyllocladephyllocladiaplural of phyllocladiumphyllocyanin(obsolete, organic chemistry) A blue pigment obtained by degradation of chlorophyll.phyllodinous(botany) Having phyllodes.phyllodontidAny extinct fish of the family Phyllodontidaephyllodulcin(organic chemistry) A compound found in the leaves of the Asian shrub Hydrangea serrata, which are used in herbal tea.phyllogenous(biology) Living or growing on leaves.phylloideous(rare) phylloid; leaf-shapedphyllophorid(zoology) Any sea cucumber in the family Phyllophoridaephyllopodium(botany) The part of the stipe that is proximal or basal of the articulation (joint) and remains attached to the rhizome after the frond has detached from the articulation.phyllopodous(zoology, of a crustacean limb) flattened and flap-likephylloquinol(organic chemistry) A reduced form of phylloquinonephylloscopid(ornithology) Any of the warblers in the family Phylloscopidae.phylloseptin(biochemistry) Any of a group of antimicrobial peptides in the skin secretion of phyllomedusine frogsphyllosphere(biology) The above-ground surface of plants, viewed as a habitat for microorganismsphyllostomidAny bat of the family Phyllostomidae, having large, lance-shaped noses; a leaf-nosed bat.phyllotacticOf or pertaining to phyllotaxy.phylocentricCentred upon tribes or races of people, or upon species of organismsphylodynamicPertaining to phylodynamicsphylogenesisEvolutionary development of a species.phylogenetic(systematics) Of, or relating to phylogeny or phylogenetics.phylogenomicOf or pertaining to phylogenomicsphylomemeticRelating to phylomemetics.phylopattern(genetics) A phylogenetic patternphyloquinoneMisspelling of phylloquinone.phylosophick(rare) Obsolete form of philosophic.phylospeciesThe smallest unit appropriate for phylogenetic analysis (the unit product of natural selection and descent).phylostratum(genetics) The set of genes, of a particular organism, that have the same phylogenetic originphysaraceousOf or relating to the family Physaraceae of amoebas.physciaceous(mycology, relational) Of or relating to the Physciaceae.physiatristsplural of physiatristphysicalistsplural of physicalistphysicalnessThe condition of being physical; physicality.physicianaryOf or relating to a physician; doctorly.physicianess(dated, rare) A female physician.physiculture(dated) A holistic philosophy of medicine based on exercise.physiocraticOf or relating to the physiocrats.physiognomer(archaic) A physiognomist.physiognomicOf or pertaining to physiognomy.physiognosisdiagnosis of disease by studying facial appearancephysiographyThe descriptive part of a natural science as distinguished from the explanatory or theoretical part.physiologiseAlternative form of physiologize.physiologistA person who studies or specializes in physiology.physiologizeTo speculate in physiology; to make physiological investigations.physiomentalPertaining to both the body and the mind.physiometricRelating to physiometryphysiosorbedAlternative form of physisorbed.physogastric(zootomy) Having a greatly distended abdomen.physostomous(zoology) Having a duct to the air bladder.phytoalexinsplural of phytoalexinphytoallexinAlternative form of phytoalexin.phytobenthicRelating to the phytobenthos.phytobenthos(biology) Benthic organisms that are plants or algae.phytobiologyThe branch of biology that involves plants.phytobiomassplant biomassphytocassane(organic chemistry) Any of a family of diterpene polyprenols that have a role in disease resistance in ricephytocenosis(biology) All the plants of a biocenosisphytocenotic(biology) Relating to phytocenosisphytocentric(biology) Describing any system or classification based upon plantsphytochamber(biology) A chamber in which plants may be grown in controlled conditions of temperature, humidity and lightingphytochemistA person involved in phytochemistry.phytochlorin(organic chemistry) A tricarboxylic acid (17~{S},18~{S})-18-(2-carboxyethyl)-20-(carboxymethyl)-12-ethenyl-7-ethyl-3,8,13,17-tetramethyl-17,18,22,23-tetrahydroporphyrin-2-carboxylic acid derived from porphyrinphytochorialOf or relating to a phytochorion.phytochorion(biogeography) A geographic area with a relatively uniform composition of plant species.phytocoenoseAlternative form of phytocoenosis.phytocomplexA mixture of plant extracts (for a variety of purposes)phytodiverseRelating to, or exhibiting phytodiversityphytoecology(ecology) The ecology of plantsphytoextractAn extract from a plant.phytogenesesplural of phytogenesisphytogenesis(biology) The origin and evolutionary development of plants.phytogeneticRelating to phytogenesis.phytoglyphicOf or pertaining to phytoglyphy.phytographerOne who studies phytography.phytographicAlternative form of phytographical.phytohormone(biochemistry) A plant hormone.phytologicalof or relating to phytologyphytomedicalRelating to phytomedicine.phytomelanin(botany) A hard, black material that forms a crust on the surface of some seedsphytometrics(ecology) The study of methods for uniquely recognizing or predicting physiological processes in plants based upon one or more intrinsic physical or behavioral traitsphytomorphicHaving a plantlike form.phytonadione(biochemistry, pharmacology) Alternative form of phytomenadione.phytophagous(zoology) Feeding on plants, herbivorous.phytophilousGrowing on or thriving in the presence of plants (especially of an insect or other invertebrate); having an affinity for plant life, especially describing animals, insects, or organisms that live on or feed upon plants.phytophthoraAny of many parasitic pseudofungi, of the genus Phytophthora, that cause brown rot in plants.phytopigmentAny pigment that occurs naturally in a plantphytoplasmalRelating to phytoplasmasphytoplasmicOf or pertaining to phytoplasma.phytoproductAny product of plant originphytoprotein(biochemistry) Any plant proteinphytosaponin(biochemistry) A saponin obtained from a plantphytosaurianAny of the order †Phytosauria of extinct crocodilian-like archosauriforms or basal archosaurians from the Late Triassic.phytosteroid(organic chemistry) Any steroid of plant originphytosterolsplural of phytosterolphytotherapy(medicine) The use of plant extracts for medical purposes.phytotoxemiatoxemia due to phytotoxinsphytotronicsThe study of plants under controlled environmental conditions in order to determine the effects of one or more environmental parameters.pianocentricCentred around the pianopianofortist(music) A person who plays the pianoforte.pianoplayersplural of pianoplayerpibrentasvir(pharmacology) An antiviral drug, used with glecaprevir to treat hepatitis C.picaresquelyIn a picaresque mannerpicayunenessThe quality of being picayune.piccaninniesplural of piccaninnypickaninniesplural of pickaninnypickelhaubesplural of pickelhaubepickerelweed(US) Any of several freshwater plants, of the genus Pontederia, that have heart-shaped leavespickeringite(mineralogy) A monoclinic-sphenoidal mineral containing aluminum, hydrogen, magnesium, oxygen, and sulfur.pickleballerOne who plays pickleball.pickpocketee(humorous) A victim of pickpocketing.pickpocketer(chiefly India) A pickpocket.pickpocketrypickpocketingpicksomenessThe quality of being picksome.pickthanking(archaic) The behaviour of a pickthank, gaining favour by unworthy means.piclopastineA histamine 1 receptor antagonist.picoamperageamperage measured in picoampspicocellularRelating to or composed of picocells.picoinjectorA picoscale injectorpicolinamide(organic chemistry) The amide of picolinic acidpicolylamine(organic chemistry) Any amine derived from a picoline by replacing a hydrogen atom (of a methyl group) with an -NH₂ grouppicoplanktonThe plankton composed of cells between 0.2 and 2 micrometers.picornaviralOf or pertaining to picornaviruses.picornavirusAny of the family Picornaviridae of RNA viruses, many of which are pathogenic, causing diseases such as polio, foot-and-mouth disease, and many varieties of the common cold.picospritzerA device that produces an extremely small spray of liquidpicotpaulite(mineralogy) An orthorhombic-disphenoidal bronze mineral containing iron, sulfur, and thallium.picrocarmineA stain made from picric acid and indigo carmine.picrocrocineAlternative form of picrocrocin.picrofuchsinA solution of fuchsin in picric acid, used as a stain for proteinspicrotoxinin(organic chemistry) An alkaloid found in picrotoxin.pictographicRepresented by pictures.pictorialiseAlternative form of pictorialize.pictorialismAny artistic use of photography to imitate painting, especially using pictorial conventions.pictorialistAn artist working in the style of pictorialism.pictorialityThe quality of being pictorial.pictorialize(transitive) To make pictorial; to illustrate with pictures.picturebooksplural of picturebookpicturedrome(archaic) cinema; movie theaterpictureframeAlternative form of picture frame.picturehouseAlternative form of picture house.piercingnessThe quality of being piercing.piezochromic(physics) Whose colour depends upon the applied pressurepiezocrystal(physics) A piezoelectric crystal.piezoelasticResponding to mechanical stress by behaving like a capacitor in the electrical domain and like a simple spring-mass system in the mechanical domain.piezonuclear(physics) Describing supposed nuclear reactions as a result of mechanical stress (such as cavitation)piezoopticalSynonym of piezooptic.piezopolymer(physics) A piezoelectric polymer (that can reversibly convert pressure to electricity)piezoscannerA piezoelectric scannerpiezosurgeryThe use of piezoelectric vibrations in the surgical cutting of bone tissue.piezotronics(physics) The science and technology of piezoelectric effects and devicespigeonholingThe classification of disparate entities into narrow and often unfair categories.piggybackingpresent participle and gerund of piggybackpigmentationColoration of human, plant or animal tissue, especially by pigment.piketoprofen(pharmacology) A nonsteroidal anti-inflammatory drug.pilasterlikeResembling or characteristic of a pilaster.pildralazine(pharmacology) An antihypertensive and vasodilator.pilgrimagingpresent participle and gerund of pilgrimagepillarboxingThe displaying of a narrow format video or image with blank stripes on each side on a wider screen.pilocarpinesplural of pilocarpinepiloerectionThe erection of hairs or papillae.pilotabilityAbility to be piloted.pilsicainideAn antiarrhythmic drug.pimaradienic(organic chemistry) Relating to, or derived from pimaradienepimavanserinAn experimental drug being developed to treat Parkinson's disease psychosis and schizophrenia.pimecrolimus(pharmacology) An immunomodulating agent used in the treatment of atopic dermatitis.pimelimidate(organic chemistry) Any salt or ester of pimelimidic acidpimerization(organic chemistry) The formation of π-merspimonidazole(pharmacology) A particular radiosensitizing compound.pimonidozoleMisspelling of pimonidazole.pinacodermalRelating to or composed of pinacoderms.pinchcommonsAlternative form of pinch-commons.pinchpenniesplural of pinchpennypinealectomy(medicine, surgery) Surgical removal of the pineal gland.pinealoctomyMisspelling of pinealectomy.pinealocytic(medicine) Of or pertaining to pinealocytes.pineappleadeA sweetened pineapple drink.pinfeathered(ornithology) Having some or all of the feathers imperfectly developed.pinguescence(archaic) the process of growing obesepinguidinous(obsolete) Containing fat; fatty.pinnatilobedSynonym of pinnatilobate.pinnywinklesAlternative form of pilliwinks.pinocembrineAlternative form of pinocembrin.pinostilbene(organic chemistry) The stilbenoid 3-[(E)-2-(4-hydroxyphenyl)ethenyl]-5-methoxyphenol present in the bark of Pinus sibiricapinostrombinAlternative form of pinostrobin.pinpointableCapable of being pinpointed (located precisely).pintocytosisMisspelling of pinocytosis.piobaireachdAlternative form of pibroch.pioglitazone(pharmacology) A thiazolidinedione derivative taken orally in the form of its hydrochloride C₁₉H₂₀N₂O₃S·HCl to treat type 2 diabetes by decreasing insulin resistance.pioneeringlyIn a pioneering mannerpipecuronium(pharmacology) A muscle relaxant that acts as a nicotinic acetylcholine receptor antagonist.pipefittingsplural of pipefittingpiperacillin(pharmacology) A particular ureidopenicillin antibiotic.piperaduncinAny of a small group of antibacterial flavonones isolated from Piper aduncumpiperazinium(organic chemistry, especially in combination) The cation obtained by protonation of piperazinepiperazinone(organic chemistry) Any of several isomeric ketones derived from piperazinepiperidinium(organic chemistry, especially in combination) A cation formed by the protonation of piperidine.piperidinone(organic chemistry) Any of three isomeric ketones derived from piperidine.piperidolateAn antimuscarinic.pipistrellesplural of pipistrellepipradimadol(pharmacology) An antiemetic drug.pipsqueakery(informal, somewhat derogatory) The quality of being small and insignificant.piptocarphin(organic chemistry) Any of a group of sesquiterpenes present in PiptocarphapiridoxilateA vasodilatory drug.piriproxyfenMisspelling of pyriproxyfen.pirolazamideAn antiarrhythmic agent.piroplasmataplural of piroplasmapiroxantroneA particular anthrapyrazole antibiotic with antitumour activity.pirquitasite(mineralogy) A tetragonal-scalenohedral gray mineral containing silver, sulfur, tin, and zinc.pisasphaltumDated form of pissasphalt.piscicapture(dated) The capture of fishes, as by angling.piscicultureThe rearing or cultivation of fish.pisciphagous(rare, biology) Feeding on fish; piscivorous.pissaladiereAlternative spelling of pissaladière.pistillation(obsolete) The action of pounding with a pestle.pistillidium(botany, archaic) An archegonium.pistilliformShaped like a pistil.pistolgraphy(historical, photography) The use of an early miniature camera shaped like a pistol.pistosaurianSynonym of pistosaurid.pistosauroidAny extinct marine reptile of the clade Pistosauroideapitavastatin(organic chemistry, pharmacology) A particular statin drugpitchcappingA form of torture used against suspected rebels during the period of the Irish Rebellion of 1798, in which hot pitch or tar was poured into a conical paper "cap", which was then forced onto the bound suspect's head, allowed to cool, and rapidly removed, taking with it a portion of the skin.pitchforkfulThe amount that a pitchfork holds.pitchforkingThe act of pricking with a pitchfork.pithlessnessAbsence of pith.pitiablenessThe quality of being pitiable.pitilessnessThe condition of being pitilesspitterpatter(rare) Alternative form of pitter-patter.pittosporumsplural of pittosporumpivotabilityThe quality or state of being pivotable.pixelisationAlternative spelling of pixelization.pixelization(computing) The blurring of part of an image by setting groups of pixels that are close to each other to the same color.pizzalicious(slang, rare) delicious in a way that involves or resembles pizzaplacablenessThe state or quality of being placable.placeabilityThe quality or degree of being placeable.placebogenicDescribing the generation of the placebo effectplacegetting(Australia, New Zealand) Placing among the top three (or other number) in a race or competition.placeholdersplural of placeholderplacekickingpresent participle and gerund of placekickplacemanshipThe role or status of a placeman.placentalianHaving or relating to a placenta.placentarianMisspelling of placentalian.placentation(botany) The manner in which the seeds are attached to the placenta within the ovary locules.placentiformHaving the shape of a placenta, or thickened disk somewhat thinner about the middle.placentology(medicine) The study of the placenta.placentosideA particular steroid glycoside.placodermian(zoology) Of, or relating to, prehistoric armoured fishes in the paraphyletic class Placodermi.placodontoid(paleontology) Any member of the Placodontoidea superfamily of extinct reptiles.pladienolide(medicine) Any of a family of macrocyclic lactones, isolated from Streptomyces platensis, that exhibit antitumor activityplagiarhythm(slang, neologism) The act of taking illegitimately-obtained (typically downloaded) musical content and using it in new works.plagiarisersplural of plagiariserplagiarisingpresent participle and gerund of plagiariseplagiaristicCharacteristic of a plagiarist; of, relating to, or characterized by plagiarism.plagiarizersplural of plagiarizerplagiarizingpresent participle and gerund of plagiarizeplagiaulacid(zoology) Any extinct mammal in the family Plagiaulacidae.plagioclasesplural of plagioclaseplagioclasic(mineralogy) Of or relating to plagioclase.plagioclimax(ecology) An altered or reduced climax of a plant ecosystem caused by human activity.plagiorchiidAny trematode of the order Plagiorchiidaplagiosaurid(zoology) Any temnospondyl of the family Plagiosauridae.plagiotrophyMisspelling of plagiotropy.plagiotropic(botany) Growing at an oblique or almost horizontal angleplainclothedplainclothes; wearing ordinary clothes instead of a uniform in order to avoid detection.plainclothes(usually of a police officer) Wearing ordinary civilian clothes instead of a uniform, in order to avoid detection.plainheartedAlternative form of plain-hearted.planespotterSomeone interested in planespotting.planeswalker(fantasy) A wizard who can travel across planes of existence.planetariumsplural of planetariumplanetesimal(astronomy) Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction.planetologicSynonym of planetological.planigraphicAlternative form of planographic.planimetricsAlternative form of planimetry.planispheresplural of planisphereplanisphericOf or pertaining to a planisphere.planktoniclyAlternative form of planktonically.planktophytePhytoplankton.planktotroph(biology) Any organism that feeds on planktonplanlessnessThe state or quality of being planless.plannabilityThe quality of being plannable.planoconcave(optics, of a lens) Having one side plane and the other concaveplanoconicalPlane or flat on one side, and conical on the other.planocraniid(zoology) Any crocodylian of the family Planocraniidae.planogametesplural of planogameteplanographicRelating to planography; pertaining to printing made from a plane surface.planorbicone(malacology) An organism or fossil with a planorbiconic shell, or the shell itself.planozygoticRelating to planozygotes.plantaflexorAlternative form of plantarflexor.plantagonine(organic chemistry) A base closely related to indicaine, found in Plantago species.plantagoside(organic chemistry) The flavanone glycoside 2'-O-beta-glucopyranosyl-5,7,4',5'-tetrahydroxyflavanoneplantationerThe owner of a plantation.plantodistalplantar and distalplantographyThe medical examination of foot deformityplantomedial(anatomy) plantar and medialplantsperson(uncommon) A plantsman or plantswoman.plasmablastsplural of plasmablastplasmacytoid(cytology) Of or pertaining to plasma cellsplasmacytoma(pathology) A malignant tumour of plasmacytesplasmalemmalRelating to the plasmalemmaplasmalemmasplural of plasmalemmaplasmalogensplural of plasmalogenplasmasphereThe inner region of the magnetosphere, containing relatively cold, dense plasma, above the ionosphereplasmatocyteA a type of hemocyte, involved primarily in phagocytosis of pathogens or debris.plasmatosomeSynonym of plasome.plasminergicActivated by plasmin or plasminogenplasminogensplural of plasminogenplasmocytoidAlternative form of plasmacytoid.plasmocytomaMisspelling of plasmacytoma.plasmodesmalRelating to plasmodesmataplasmodesmasplural of plasmodesmaplasmodiallyIn terms of, or by means of, a plasmodium.plasmogenousThat forms a plasma when in bulk.plasmolysingpresent participle and gerund of plasmolyseplasmolyzingpresent participle and gerund of plasmolyzeplasterboardA construction material consisting of a rigid panel of several layers of fibreboard or paper bonded to a gypsum core.plasterinessThe quality of being plastery.plasticisersplural of plasticiserplasticisingpresent participle and gerund of plasticiseplasticizersplural of plasticizerplasticizingpresent participle and gerund of plasticizeplastination(anatomy) A technique for preserving bodies or body parts by replacing the water and fat with certain plastics.plastisphere(ecology) The ecosystem on the surface of a piece of plastic (especially in a marine environment).plastivorousConsuming plastic.plastochroneAlternative form of plastochron.plastocyanin(biochemistry) An important copper-containing protein, involved in electron transferplastographyThe art of forming figures in any malleable material.plastoquinol(biochemistry) A compound derived from plastoquinone during photosynthesis.plastromancyA form of divination through the use of turtleshell plastrons.platanaceous(botany) Belonging to the family Platanaceae of plane trees.platanistoid(zoology) Any river dolphin in the superfamily Platanistoidea.plateosaurid(zoology) Any dinosaur in the family Plateosauridae.plateosaurusAny herbivorous dinosaur of the family Plateosauridae.platformlessWithout a platform or platforms.platformlikeSimilar to or resembling a platform.platformwardToward a platform.plathelminth(uncommon) Alternative form of platyhelminth.platinumlikeResembling or characteristic of platinum.platitudinalCharacterized by banality or triteness.platonicallyIn a platonic manner.platyceratid(zoology) Any extinct gastropod in the family Platyceratidae.platycnemism(archaic) platycnemia (Lateral flattening of the tibia.)platycoelian(archaic, zoology, anatomy) Synonym of platycoelous.platycoelous(anatomy) Flat at the anterior and concave at the posterior end; said of the centra of the vertebrae of some dinosaurs.platyelminthMisspelling of platyhelminth.platygastrid(zoology) Any wasp in the family Platygastridae.platyopuntiaAny prickly pear of the former genus Platyopuntia, most of which are now considered to be in the Opuntia genusplatypelloid(anatomy, in pelvimetry) Of the pelvis, assuming a shape with a flat inlet and a shortened anteroposterior diameter.platypussaryAlternative form of platypusary.platyrostralHaving a flat, wide beakplatyrrhinesplural of platyrrhineplatyrrhinicSynonym of platyrrhine.platysternid(zoology) Any turtles in the family Platysternidae; including big-headed turtles, of the sole extant species.platystictid(zoology) Any damselfly in the family Platystictidae.platytroctid(zoology) Any fish in the family Platytroctidae; the tubeshoulders.plausibility(now rare) The appearance of truth, especially when deceptive; speciousness.playersexual(video games, of an NPC) Attracted to the player character, especially without regard to gender, race, etc.playlessnessLack of play (recreational activities).playmateshipThe role or status of playmate.playsomeness(dated) The quality of being playsome.pleadingnessThe quality of being pleading.pleamorphismMisspelling of pleomorphism.pleasabilityThe quality of being pleasable.pleasantness(uncountable) The state or quality of being pleasant.pleasantriesplural of pleasantrypleasantsome(archaic) pleasant; of a pleasant naturepleasingnessThe quality or state of being pleasing.pleasureableObsolete form of pleasurable.pleasuredomeA place where one can relax, entertain or recreate.pleasurelessWithout pleasure.pleasuresomeCharacterised or marked by pleasure; enjoyableplebeiannessThe quality of being plebeian.plebiscitaryOf or pertaining to a plebiscite.plecoglossid(zoology) Any fish of the family Plecoglossidae (sometimes regarded as a subfamily, Plecoglossinae in Osmeridae); the ayu or sweetfish.plecopteransplural of plecopteranplectenchyma(biology) The tissue (prosenchyma or pseudoparenchyma) of a fungus.plectostelicOf or possessing a plectostele.pledgemaster(US) A member of a fraternity who takes charge of new pledges.pleiochasialRelating to a pleiochasium.pleiochasium(botany) An inflorescence in which several buds come out at the same timepleiochroismAlternative form of pleochroism.pleiocytosisAlternative form of pleocytosis.pleiomorphicAlternative form of pleomorphic.pleiotrophicMisspelling of pleiotropic.pleiotrophin(biochemistry) A protein, similar to midkine, that has a number of functions related to heparinpleiotropism(genetics) pleiotropypleisiomorphA characteristic of an organism that has been acquired from its ancestors.plemyrameter(obsolete) An instrument for measuring changes in water level.pleniglacial(geology) Full of glaciation.plenipotenceThe quality or state of being plenipotent.plenipotencyAlternative form of plenipotence.pleocellularHaving many more than the usual number of cellspleometrosis(entomology) The establishment of an ant colony by multiple queens.pleometroticRelating to pleometrosis.pleomorphism(biology) The occurrence of multiple structural forms during the life cycle of an organism.pleomorphoushaving or passing through many different formspleophyletic(taxonomy) Synonym of polyphyletic.plerocercoid(zoology) An unsegmented worm-like larval form of certain tapeworms which develops from the procercoid.plesiadapoidAny extinct mammal of the superfamily Plesiadapoideaplesimorphic(crystallography) plesiomorphicplesiobiosisA close nesting association between two or more colonies of social insects with little actual interaction.plesiobioticPertaining to plesiobiosis.plesiohedron(geometry) A special kind of space-filling polyhedron, defined as the Voronoi cell of a symmetric Delone set. Three-dimensional Euclidean space can be completely filled by copies of any one of these shapes, with no overlaps.plesiomorphy(cladistics) A character state that is present in both outgroups and in the ancestorsplesionymous(construed with with) Having a similar but differentiable and contrastable meaning; of or being a plesionym.plesiosaurid(zoology) Any plesiosaur in the family †Plesiosauridae of extinct marine reptiles.plesiosaurusAny of the genus †Plesiosaurus of extinct long-necked marine reptiles from the Early Jurassic.plethodontid(zoology) Any of the Plethodontidae, a family of lungless salamanders.pleurembolic(biology) Capable of being withdrawn by a backward movement of the parts from which it protrudes so that it becomes engulfed.pleurenchyma(obsolete, botany) A tissue consisting of long and slender tubular cells, of which wood is mainly composed.pleuripotentMisspelling of pluripotent.pleurobranch(zoology) Any of the gills of certain crustaceans, such as some shrimp, that are attached to the side of the thoraxpleurocarpicSynonym of pleurocarpous.pleurodelineAny newt of the subfamily Pleurodelinae.pleurodirous(zoology) Having the head and neck folded under the front edge of the carapace by one or more horizontal folds.pleurodontid(zoology) Any snail in the family Pleurodontidae.pleurographyradiography of the abdomen after injecting a contrast mediumpleuronectid(zoology, ichthyology) Any species of the family Pleuronectidae.pleuropholidAny extinct fish of the genus †Pleuropholispleurosaurid(zoology) Any extinct reptile of the family Pleurosauridae.pleuroscopicSynonym of thoracoscopic.pleurostomalRelating to pleurostomapleurotheticOf or pertaining to pleurothetism.pleustophyteAn aquatic plant that floats, sometimes limited to those without roots or holdfasts fixed to soil or sediment.plicidentine(zoology, dentistry) A form of dentin which shows sinuous lines of structure in a transverse section of the tooth.plinthaquult(geology) A plinthic aquultpliopithecid(zoology) Any extinct primate in the family Pliopithecidae.ploddingnessThe state or quality of being plodding.plombiferousDated form of plumbiferous.plotlessnessThe state of lacking a substantial plot or scheme.ploughperson(nonstandard, humorous) A person who operates a plough.ploughsharesplural of ploughshareploughwright(chiefly British) Alternative spelling of plowwright.plousiocracy(archaic) plutocracypluggabilityThe quality of being pluggable.pluglessnessAbsence of a plug or plugs.plumbaginousAlternative spelling of plumbagineous.plumbiferousProducing or containing lead.plumbinglessWithout plumbing.plumbophilia(medicine) The property of attracting lead.plumbophilic(medicine) Attracting lead.plumbylidene(chemistry) Any lead analogue of a carbene; R₂Pb:plumpishnessThe property of being plumpish.plumulaceous(zoology, ornithology) Downy; bearing down.pluperfectly(rare) In a way that is more than perfect.pluractionalExhibiting or relating to pluractionality.pluralisableAlternative spelling of pluralizable.pluralizableThat can be pluralized.pluralphobia(multiplicity slang) The dislike, denial, or stigmatization of, or prejudice against, people with multiplicity (the psychological condition).pluricentralPluricentric; having more than one centre.pluricentricHaving more than one center; multicentric.pluricolpateHaving several colpiplurifarious(archaic) Of many kinds or types; multifarious.pluriflorous(botany) Having many flowers per inflorescence.plurifoliate(botany) Having many leavespluriformity(rare) pluralityplurilaminarComposed of many thin layersplurilateralInvolving several parties.plurilingualOf or pertaining to several languages.pluriliteral(archaic, linguistics) Consisting of more than three letters.plurilocularSynonym of multilocular.plurinominal(politics) Nominating or electing more than one representative at once.pluriovulate(botany) Having many ovules.pluripartite(botany) Deeply divided into several portions.pluripotency(biology) The state of being pluripotent.plurisecular(rare, academic) Of or related to a span of several centuries, centuries-old.plurisignify(rare) To have meaning or importance in multiple ways.pluriversitySynonym of pluriversality.plurivocalicContaining more than one vowel.plushophiliaThe paraphilia for plushies, typically stuffed toy animals.pluviatolide(organic chemistry) The butanolide (3r,4r)-4-(1,3-benzodioxol-5-ylmethyl)-3-(4-hydroxy-3-methoxybenzyl)dihydrofuran-2(3h)-onepluviculturerainmaking; attempts to induce rain artificiallypluviographyThe use of a pluviograph; the automatic recording of precipitation.pluviometersplural of pluviometerpluviometricRelated to pluviometry.pneudraulicsThe system on military aircraft that use either or some combination of both hydraulic and pneumatic systems.pneumaticity(biology) The state of being pneumatic, or of having a cavity or cavities filled with air.pneumaticizeTo convert to a pneumatic formpneumatizingpresent participle and gerund of pneumatizepneumatocele(medicine) A hernia or air-filled cyst within the lung.pneumatocoelMisspelling of pneumatocele.pneumatocyst(marine biology) A sac or other structure containing air and used for flotation by a marine organism, chiefly used in reference to those of kelps and siphonophores.pneumatogram(physiology) A tracing of the respiratory movements, obtained by a pneumatograph or stethograph.pneumatologyThe study of spiritual beings and phenomena, especially the interactions between humans and God.pneumatoporeMisspelling of pneumatophore.pneumocandin(organic chemistry) Any of a group of echinocandins produced by several fungipneumococcalOf, pertaining to or caused by a pneumococcus bacteriumpneumococcicOf, pertaining to or caused by a pneumococcus bacterium.pneumococcusA gram-positive bacterium, Streptococcus pneumoniae, that causes pneumonia and other infectious diseasespneumocysticRelating to pneumocystispneumocystis(pathology) A parasitic fungal organism of the genus Pneumocystis, in humans specifically Pneumocystis jorevicii.pneumographyscientific description of the lungs.pneumologistSynonym of pulmonologist.pneumolysoid(biochemistry) Any of a group of recombinant mutant proteins related to pneumolysin.pneumonologyAlternative form of pneumology.pneumonotomy(surgery) The surgical procedure of making an incision in the lung.pneumosepsis(medicine) Sepsis secondary to pneumonia.pneumosphereA lung spheroid that contains progenitor cellspneumothorax(pathology) Presence of air inside the pleural cavity, usually caused by injury either to the lung or the chest wall.pneumotropicHaving an affinity for (or moving towards) the tissues of the lungspneumotyphustyphous pneumoniapnictogenide(inorganic chemistry) Any binary compound containing an anion of a pnictogen; namely nitride, phosphide, arsenide, antimonide or bismuthidepocilloporid(zoology) Any coral of the family PocilloporidaepocilloporinAny of a class of pigments present in pocilloporidspocketknivesplural of pocketknifepodobranchia(zoology) Synonym of podobranch.podocnemidid(zoology) Any of a group of side-necked turtles of the family Podocnemididaepodoconiosis(pathology) An endemic form of nonfilarial elephantiasispodokesaurid(zoology) Any theropod dinosaur of the family Podokesauridae, now considered to be a synonym of the superfamily Coelophysoidea.podophyllous(zoology) Having thin, flat, leaf-like locomotive organs.podospermium(botany) Synonym of podosperm.podzoluvisol(soil science) Synonym of albeluvisol.poecilonymicThat is a poecilonym to another word.poemlessnessAbsence of poems.poetasteringThe writing of inferior poetry.poetastricalBeing or relating to unskilled poetry.poeticalnessThe state or quality of being poetical.poetologicalRelating to poetology.pogonophilia(rare) A preference or love for beards.pogonophilic(rare) Of or relating to pogonophilia.pogonophobia(rare) A strong dislike or aversion to beards or beardedness.pogonophobic(rare) Having an aversion to beards.pogonophoran(biology) Any marine, wormlike invertebrate of the phylum Pogonophora.pogonotrophyThe act of cultivating, or growing and grooming, a mustache, beard, sideburns or other facial hair.pogromshchikA perpetrator of a pogrom.poikiloblastA porphyroblast mineral containing small inclusions of the previous rock.poikiloderma(pathology) An atrophy of the skin that is accompanied by a mottled pigmentationpoikilohydry(botany) The condition of being poikilohydric; the lack of structural or functional mechanisms to actively regulate the equilibrium between the concentration of water in cell tissue and that in the environment.poikilotopic(geology) Describing a crystalline sedimentary rock having multisized crystals the larger of which enclose small ones, often of a different mineralpointcastingTransmission of targeted information to a single personpointfulnessThe state or condition of being pointful.pointillisteSynonym of pointillist.pointillistsplural of pointillistpointscoringProcedure of awarding points in a competition.pointsettiasMisspelling of poinsettias.pointspersonA person in charge of railroad points or switches.poisonmongerOne who peddles poison (literally or figuratively).pokerishnessQuality of being pokerish.polarimetric(physics) Of or pertaining to polarimetry, or measured using a polarimeterpolarisationNon-Oxford British English standard spelling of polarization.polariscopicpolarimetricpolaritonics(physics) The design and construction of devices employing polaritons.polarizationThe production or the condition of polarity.polarography(chemistry) An electrochemical technique for the analysis of redox reactions.polarotacticThat is attracted to polarized light, typically reflected from a surfacepolemicizingpresent participle and gerund of polemicizepolemologistA student of or expert in polemology.policepersonA police officer of any gender.policresulenA topical haemostatic and antiseptic, indicated for common anal disorders.policresulinAlternative form of policresulen.policyholder(insurance) The party to an insurance contract who owns the policy and thus transfers a risk to an insurer (i.e., pays the insurer to take the risk).policymakersplural of policymakerpolicymakingThe formulation of policies.polihexanideAlternative form of polyhexanide.poliomavirusAny virus of the family Polyomaviridaepoliorcetics(military) The art of siege warfare, namely, that of conducting or resisting a siege; siegecraft.polishednessThe quality of being polished.politenessesplural of politenesspoliticalese(informal) Synonym of politicianese.politicaliseAlternative form of politicalize.politicalism(uncountable) Political zeal.politicalize(transitive) To make political; to politicize.politicasterA petty politician.politicianly(rare) Befitting a politician.politicizingpresent participle and gerund of politicizepoliticspeak(informal) Synonym of politicianese.politisationpoliticizationpolitizationThe act or process of politizing.politocraticPertaining to the role of citizens in the organization and choice of government.politologist(rare) A person who studies politology; a political scientist.politrickery(informal, derogatory) Synonym of politricks.politricking(informal, derogatory) Synonym of politricks.pollenarious(archaic or obsolete) Consisting of meal or pollen.pollicipedid(zoology) Any member of the family Pollicipedidae of barnacles in the order Pedunculata.pollinophagyAlternative form of palynophagy.pollutednessThe state of being polluted.pollutionaryOf or relating to pollution.pollutionistA person who tolerates pollution, especially if part of big business.poloniferous(rare) Containing or producing polonium.poltergeistsplural of poltergeistpoltergeisty(informal) Resembling or characteristic of a poltergeist.poltophagistOne who practises poltophagy.polyacousticMultiplying or magnifying sound.polyacrylate(organic chemistry) Any polymer of acrylic acid or its esters or saltspolyacylated(organic chemistry) Modified by addition of many acyl groupspolyaddition(chemistry) Any addition reaction that yields a polymer.polyadenitis(medicine) A condition in which many of the lymph nodes are inflamed.polyadenosis(medicine) A disease that affects multiple lymph nodespolyadenylicOf or pertaining to polyadenylic acid or its derivativespolyalcoholsplural of polyalcoholpolyaldehydeA resin that is a polymer of formaldehyde or other aldehydespolyalkenoic(organic chemistry) Describing any polyunsaturated aliphatic carboxylic acidpolyallelism(genetics) The presence of multiple alleles at a genetic locuspolyallergicallergic to many different materialspolyammonium(organic chemistry) Any protonated polyaminepolyamoristsplural of polyamoristpolyamorphicExhibiting polyamorphismpolyamourousMisspelling of polyamorous.polyandrious(obsolete) polyandrouspolyanethole(organic chemistry) A polymeric form of anetholepolyangiitis(medicine) inflammation of multiple blood vessels or lymph vesselspolyanthropypolygyny and polyandrypolyanthusesplural of polyanthuspolyantibody(immunology) An antibody that binds to many different antigenspolyarchicalSynonym of polyarchic.polyarginineA polypeptide consisting of arginine residuespolyargyrite(mineralogy) A black mineral that is a sulfide of antimony and silverpolyaromatic(chemistry) Containing more than one aromatic ring system, especially several such rings fused together.polyarsenite(mineralogy) The mineral sarkinitepolyaxialityThe state of being polyaxialpolybasicityThe quality of being polybasic.polybehenateA behenate polymer whose sucrose ester is used to measure intestinal fatpolybutylene(chemistry) polybutenepolybutyrateA misnomer for any copolymer of polybutylene terephthalatepolycandidalRelating to many types of candidal yeastspolycarbonicOf or pertaining to a polycarbonic acid or its derivatives, the polycarbonatespolycaryoticMisspelling of polykaryotic.polycatechol(organic chemistry) A polymeric derivative of catecholpolycatenane(organic chemistry) Any polymer containing a number of monomers linked in the fashion of a catenane.polycatenaryHaving multiple chainspolycationic(chemistry) Of, pertaining to, or containing a polycation.polycellularSynonym of multicellular.polycentrisma political or cultural system which contains many different centres, especially centres of authority or controlpolycentristA proponent of polycentrism.polycephalicHaving more than one head.polychaetousRelating to polychaetes.polychloride(chemistry) A molecule or ion containing three or more chlorine atomspolychrestic(obsolete, homeopathy) Able to be used in various ways.polychromate(inorganic chemistry) A salt or ion composed of multiple chromate groupspolychromismpolychromatismpolychromist(art) A person who applies paint to statuespolychromizeAlternative form of polychromatize.polychromousOf or pertaining to polychromy; many-colored; polychromatic.polychronousContaining multiple rhythmspolyclinicalPertaining to a polyclinic.polyclonallyIn a polyclonal mannerpolycondense(chemistry) To react something to form a polycondensate.polycresulinMisspelling of policresulin.polycropping(agriculture) Synonym of polyculture.polyculturalRelating to many interacting cultures.polyculturedGrown by means of polyculturepolycyclicalInvolving more than one cycle.polycylinderA higher dimensional generalization of a cylinder.polycysteine(biochemistry) a homopolymer of the amino acid cysteinepolycytaemiaMisspelling of polycythaemia.polycythemia(pathology) A rare disorder in which the bone marrow produces an abnormally large amount of blood cells, often red blood cells.polycythemicPertaining to, or afflicted with, polycythemia.polycytidine(genetics) A repeat of many cytidine groups in a stretch of RNApolycytokine(biochemistry) Any polymeric cytokinepolycytosineA nucleotide containing cytosine as the only basepolydemonism(religion) The existence of multiple demons; the worship of these demonspolydemonistA worshipper of many demons; a believer in polydemonism.polydextroseA multipurpose food ingredient synthesized from dextrose and classified as soluble fibre.polydiegeticOf or relating to more than one diegesis.polydigitate(anatomy) Synonym of polydigital.polydisperse(of a colloid) Having a range of particle sizes.polydnaviralRelating to polydnaviruses.polydnavirusAn insect virus of family Polydnaviridae that integrates itself inside a wasp genome.polydopamine(organic chemistry) A polymer formed by the oxidation of dopamine, naturally produced as a biological glue, and also used as a flame retardant.polyembryoma(medicine) An aggressive form of germ cell tumor usually found in the ovaries.polyembryony(biology) The production of two or more embryos from a single fertilized egg.polyesterase(biochemistry) Any enzyme that catalyses the hydrolysis of polyesterspolyesterifyTo cause or to undergo polyesterification.polyethylene(organic chemistry) A polymer consisting of many ethylene monomers bonded together; used for kitchenware, containers etc.polyfidelityA form of polyamory where all members are considered equal partners and agree to be sexually active only with other members of the group.polyfilamentComposed of multiple filamentspolyfluorene(organic chemistry) Any of a class of electroluminescent aromatic polycyclic hydrocarbons consisting of many fluorene units attached end-to-endpolyfurosideA particular steroid glycoside.polygalactanA relatively large molecular weight galactanpolygalactiaThe excessive secretion of milk by the breastspolygalactinA biodegradable polymer used to make surgical suturespolygamisticSynonym of polygamous.polygamizingpresent participle and gerund of polygamizepolygamouslyIn a polygamous manner.polygasolineA high-octane gasoline made by the polymerization of light olefins.polygastrian(zoology, obsolete) One of the Polygastrica, an obsolete classification of microorganisms.polygastrica(zoology) The infusoria.polygenderedHaving a mixture of genders; neither purely male nor purely female.polygenicityThe condition of being polygenicpolygenisticOf or relating to polygenism.polygenotype(genetics) A genotype containing genetic material from two or more ancestorspolyglottismAlternative spelling of polyglotism.polyglottistSynonym of polyglot (“multilingual person”).polyglottous(rare) Speaking many languages; polyglot.polyglucosan(biochemistry) A polymeric form of glucosanpolyglutamyl(organic chemistry, in combination) Many glutamyl groups in a compoundpolyglycerol(countable, organic chemistry) Any of several polymeric condensation products of glycerolpolyglycolicOf or pertaining to a polyglycolic acid or its derivativespolygonality(mathematics) The state of being a polygon, the degree to which an object is polygonal.polygonationA method of surveying, an extension of triangulation, in which a set of contiguous polygons are measured and plottedpolygonbodenpolygonal patches of ground, found especially in frozen environments.polygoneutic(zoology) Having two or more broods in a season.polygonogramA graphic representation of an interrelationship in the form of a polygon (typically a star polygon) inscribed within a circlepolygrammoid(of ferns) Synonym of polypod.polygranularComposed of many microscopic granulespolygraphistA person skilled in the operation of a polygraph (lie detector)polygynandry(anthropology, zoology) A mating pattern involving multiple males and multiple females.polygynouslyIn a polygynous manner.polyhalogeno(chemistry) (in combination) Containing two or more halogen atomspolyhandicapA handicap involving multiple disabilitiespolyhaptenicHaving multiple haptenspolyharmonic(mathematics) Consisting of multiple harmonicspolyhedrallyIn a polyhedral manner.polyhedricalAlternative form of polyhedral.polyhedrosesplural of polyhedrosispolyhedrosisAny of several diseases of insect larvae that are caused by the polyhedral viruses, family Baculoviridae.polyhelicene(organic chemistry) Synonym of helicene.polyhexanidepolyhexamethylene biguanide, a polymer used as a disinfectant and antisepticpolyhistoricSynonym of polyhistorical.polyhomeotic(pathology) Having many homeosespolyhormonalInvolving or relating to more than one hormone.polyinhalantA mixture of inhalants.polyinosinicOf or pertaining to polyinosinic acidpolyisoprene(chemistry) Any polymer whose constituent monomer is isoprene; especially natural, and some synthetic, rubberspolyisotopic(physics, chemistry, of an element) That has many stable isotopespolykaryonicRelating to polykaryonspolykaryotic(biology) That has polynuclear cellspolykatoikia(architecture) A type of concrete urban housing block in postwar Greece.polyligation(chemistry) ligation to two or more atomspolylinguistA person who is fluent in numerous languages.polylogisticOf or relating to polylogism.polymedicate(transitive) To medicate with more than one medication.polymericityThe quality or condition of being a polymer.polymerisingpresent participle and gerund of polymerisepolymerizate(chemistry) The products of a polymerization reaction; usually a mixture of polymers.polymerizingpresent participle and gerund of polymerizepolymetallicComposed of multiple metalspolymicrobicPolymicrobial.polymodality(music) The use of multiple modes in a piece if musicpolymolecule(chemistry) A polymeric moleculepolymorphean(rare) polymorphouspolymorphismThe ability to assume different forms or shapes.polymorphousHaving, or assuming, a variety of forms, characters, or stylespolymyopathyA form of myopathy that affects multiple muscle groups.polymyositicRelating to, or afflicted with, polymyositis.polymyositis(medicine) An inflammatory disease affecting multiple musclespolynandrian(obsolete) polyandrouspolynegative(chemistry) Containing multiple negative chargespolynemiformCharacteristic of the family Polynemidae.polyneuriticHaving or relating to polyneuritis.polyneuritisinflammation of multiple nerves; multiple neuritispolyneuronalRelating to many neuronspolynitrogen(inorganic chemistry) Any of several unstable allotropes of nitrogen that have more than two atoms in each moleculepolynomiallyIn a polynomial way.polynymously(very rare) In a polynymous way or manner.polyodontodeA polychaete worm of the genus PolyodontespolyodontoidAny paddlefish of the family PolyodontidaepolyoestrousAlternative form of polyestrous.polyomaviralRelating to polyomaviruses.polyomavirusAny of the papovaviruses, in family Polyomaviridae, that induce a wide variety of tumours in newborn animals.polyommatous(biology) Having many eyes or eye-like organs.polyoxoanion(inorganic chemistry) Any of several complex polymeric oxoanions, especially those of larger transition elementspolypeptidesplural of polypeptidepolypeptidicOf or pertaining to a polypeptidepolypeptidylRelating to or composed of polypeptides.polypersonal(grammar) Involving more than one person.polyperylene(organic chemistry) Any polymer composed of perylene moieties either fused together or joined by single bondspolypetalous(botany) having a corolla composed of distinct, separable petalspolyphalange(anatomy) An extra phalanx.polyphalangyAlternative form of polyphalangism.polypharmacy(medicine) The use of multiple drugs to treat multiple concurrent disorders in the same (now especially elderly) patient, chiefly with connotations of indiscriminate or excessive prescription (involving overmedication and overprescription).polyphemusinAn antimicrobial peptide present in the horseshoe crab Limulus polyphemuspolyphenolicOf, or relating to the polyphenolspolyphialideA phialide consisting of multiple projections.polyphyletic(taxonomy) Having multiple ancestral sources; referring to a taxon that does not contain the most recent common ancestor of its members.polyphyllous(botany) Having many leaves (or flowers)polyphyodontAny animal whose teeth are continuously replaced.polypiferousBearing polypspolypigerous(rare) polypiferouspolyploidize(ambitransitive) To subject to, or undergo, polyploidization.polypodosideA particular steroid glycoside.polypragmacy(archaic) The quality of being polypragmatic.polypragmaty(archaic) The quality of being polypragmatic.polyprismane(chemistry) A structure consisting of multiple prismanes stacked base to base.polypsychism(philosophy, psychology) The belief that a person may have multiple souls; the theory that one's mind can contain multiple psychic elements.polyptotonicOf or relating to polyptoton.polypyrenous(botany, dated) Containing multiple stones, kernels, or seeds.polypyridine(organic chemistry) Any compound containing multiple linked pyridine ringspolyreaction(chemistry) A polymerization or polycondensation reactionpolyreactive(immunology) That undergoes nonspecific reaction with a range of materialspolyrhythmic(music) Having multiple, simultaneous rhythms.polyribosome(biochemistry) A cluster of ribosomes, connected by mRNA, that collectively synthesizes proteinpolyromantic(neologism) Romantically attracted to more than one gender.polyrotaxane(organic chemistry) A polymer composed of rotaxane monomerspolysaprobic(biology) Of, pertaining to, or inhabiting a body of water containing decomposing organic matter and thus little dissolved oxygenpolyselenide(inorganic chemistry) Any compound containing many selenide groups; any anion containing many selenium atomspolyselenido(chemistry, in combination) Polyselenide as a ligand.polysemanticSynonym of polysemic.polysemouslyIn a polysemous way.polysensuous(archaic) Having many senses or meanings.polysepalous(botany, of a calyx) having separate sepalspolysequence(geology) A stratigraphic sequence of many stratapolysilazaneA polymer in which silicon and nitrogen atoms alternate to form the basic backbone.polysilicate(chemistry) Any of many polymeric silicate structures typically found in rocks and mineralspolysiliconeAlternative form of polysilicon.polysiloxane(chemistry) Any of many polymers having a siloxane repeat unitpolysiphonic(biology) Composed of multiple tubes joined togetherpolysomatismThe condition of being polysomatic.polysorbatesplural of polysorbatepolyspecificPertaining to multiple speciespolyspectrum(mathematics) A higher-order spectrum of a multivariate stationary time seriespolyspermous(botany) Containing many seedspolystannaneAn organometallic polymer comprising a backbone of tin atoms connected by covalent bonds, unknown in any other metal.polystearate(organic chemistry) Any compound that has many stearate groupspolystichous(botany) arranged in several rows or seriespolystilbene(organic chemistry) Any polymer produced by the polymerization of stilbenepolystyrenesplural of polystyrenepolysulfated(chemistry) modified by the addition of multiple sulfate groupspolysulfidesplural of polysulfidepolysulphane(chemistry) Alternative form of polysulfane.polysulphateAlternative form of polysulfate.polysulphide(chemistry) Alternative spelling of polysulfide.polysulphoneAlternative spelling of polysulfone.polysurgical(medicine) Of or pertaining to polysurgery.polysyllabic(of a word) Having more than one syllable; having multiple or many syllables.polysyllableA word with more than two syllables. Sometimes used in a more restricted sense.polysymmetryThe quality of being polysymmetrical.polysynaptic(of a reflex or impulse) of or involving multiple synapsespolysyndeticCharacterized by polysyndeton, or the multiplication of conjunctions.polysyndeton(rhetoric) The use of many conjunctions to achieve an overwhelming effect in a sentence.polysystemicAffecting or relating to more than one systempolytechnicsplural of polytechnicpolytechnist(archaic) One who studied at a polytechnic.polytenation(molecular biology) Conversion into polytenespolyterpenesplural of polyterpenepolyterpenic(organic chemistry) Related to or derived from a polyterpenepolytheisticOf or relating to polytheism.polythematicDealing with more than one theme or topic.polythiazide(pharmacology) A thiazide diuretic.polythionate(chemistry) Any salt or ester of polythionic acid, containing an anion or group of the form SₙO₆²⁻ or -SₙO₆-polytomogramA tomogram produced by polytomography.polytomouslyIn a polytomous mannerpolytonalismSynonym of polytonality.polytonalist(music) A person who composes or plays polytonal musicpolytonality(music) The use of multiple keys in the same composition, especially by multiple instruments at the same timepolytonicityThe quality of being polytonic.polytrichousVery hairy; densely ciliate.polytrioxanePolyoxymethylene.polytungstic(obsolete, chemistry) Of or pertaining to polytungstic acidpolytyrosine(organic chemistry) A polypeptide composed of only tyrosine amino acidspolyurethane(organic chemistry) Any of various polymeric resins containing urethane links; used in many industrial and domestic applications.polyuronidesplural of polyuronidepolyvacuolarHaving many vacuolespolyvalencesplural of polyvalencepolyvalently(chemistry) In a polyvalent mannerpolyvalvularRelating to many valves, but especially to most or all valves of the heartpolyvanadate(inorganic chemistry) A polymeric form of the orthovanadate anion; and salt containing this anionpolyvariadic(computing) Supporting a variable but nonzero number of arguments.polyvascularRelating to, or affecting many blood vesselspolyvisceral(anatomy) Relating to, or affecting many of the viscerapolyvocalityThe quality of being polyvocal, consisting of more than one voice.pomacentrineAny pomacentrid of the subfamily PomacentrinaepomacentroidAny fish of the family Pomacentridaepomalidomide(medicine) A derivative of thalidomide used to treat some myelomaspomegranatesplural of pomegranatepommecythereSynonym of ambarella (fruit (Spondias dulcis))ponderationsplural of ponderationpondermotive(physics) Describing the ability of light to cause motion, due to the momentum of its photonsponomarevite(mineralogy) A monoclinic-prismatic orange red mineral containing chlorine, copper, oxygen, and potassium.pontificaliaSynonym of pontificals (“vestments of a bishop, priest, or pope”).pontificallyIn a pontifical manner; in the manner of a pope.pontificatedsimple past and past participle of pontificatepontificatesplural of pontificatepontificatorOne who pontificates.pontificious(obsolete) pontificalpontogeneiid(zoology) Any amphipod in the family Pontogeneiidae.pontoporeiid(zoology) Any amphipod in the family Pontoporeiidae.poormouthingpresent participle and gerund of poormouthpoppycockishFull of poppycock; nonsensical; ridiculous.popularisersplural of populariserpopularisingpresent participle and gerund of popularisepopularitiesplural of popularitypopularizingpresent participle and gerund of popularizepopulationalOf or pertaining to populationpopulousnessThe quality of being populous.porantherine(organic chemistry) A polycyclic alkaloid obtained from the shrub Poranthera corymbosa.porcelainiteSynonym of mullite.porcelainize(transitive) To bake like porcelain.porcelainousSynonym of porcellaneous.porcelaneousAlternative spelling of porcellaneous.porcelaniticAlternative form of porcellanitic.porcellaniteAlternative form of porcelanite.porcellanousAlternative form of porcellaneous.porcellionid(zoology) Any woodlouse in the family Porcellionidae.porcicultureThe raising of pigs.porelessnessAbsence of pores.porencephalyA rare cephalic disorder involving encephalomalacia. It is a neurological disorder of the central nervous system characterized by cysts or cavities within the cerebral hemisphere.porfiromycin(pharmacology) An antineoplastic antibiotic, [(4S,6S,7R,8S)-11-amino-7-methoxy-5,12-dimethyl-10,13-dioxo-2,5-diazatetracyclo[7.4.0.02,7.04,6]trideca-1(9),11-dien-8-yl]methyl carbamate.porkalicious(of food, informal) Delicious or tantalising because of the pork it is made from or contains.pornographedDisplaying or depicting material of an explicit sexual nature.pornographerOne who is involved in the creation or dissemination of pornography.pornographicContaining an explicit depiction of sexual activity.pornological(of language) Describing the sex act and sexual perversions.pornotropingpresent participle and gerund of pornotropeporocephalidAny tongueworm of the order PorocephalidaporolepiformCharacteristic of prehistoric fish of the order †PorolepiformesporosimetricRelating to porosimetry.porphyranase(biochemistry) Any enzyme that catalyses the hydrolysis of a porphyranporphyrinoidBased on a porphyrinporphyrogeneBorn into the purple (royalty or the ruling class)porphyropsinAny of a group of purple carotenoid pigments, similar to rhodopsin, in the retinas of some fishporphyroxine(organic chemistry) Papaverrubine D, a minor alkaloid of opium.porpoiselikeResembling or characteristic of a porpoise.porridgelikeResembling porridge or some aspect of it.porringerfulThe amount that a porringer will hold.porritoxinolA phytotoxin, 6-(2',3'-dihydroxy-3'-methylbutoxy)-4-methoxy-5-methylphthalide, present in the fungus Alternaria porriportablenessThe state or quality of being portable; portability.portalvenousAlternative form of portal venous.portamentoed(music) Played with a portamento.portefeuille(archaic) An artist's portfolio.portemanteauAlternative form of portmanteau (“travelling case”).portemonnaieAlternative form of porte-monnaie.portentosityThe quality of being portentous.portentouslyIn an ominous manner.portholelikeResembling or characteristic of a porthole.portmanteausplural of portmanteauportmanteauxplural of portmanteauportobiliary(anatomy) Relating to the portal vein and the bile ductportoenteric(anatomy) Relating to the portal vein and the intestinesportographicRelating to portographyportohepatic(anatomy) Relating to, or connecting the portal vein and the hepatic vein; relating to the hepatic portal veinportraitistsplural of portraitistportraitlikeResembling or characteristic of a portrait.portraituresplural of portraitureportscanningpresent participle and gerund of portscanportuguesifyAlternative letter-case form of Portuguesify.portulaceous(botany) Belonging to the family Portulaceae (preferably Portulacaceae) of purslanes.posaconazole(pharmacology) A triazole antifungal drug used to treat invasive infections in severely immunocompromised patients.positionableCapable of being positioned.positionallyIn a positional context; in terms of position.positionlessWithout a position (social rank); being an outcast.positiveness(uncountable) The quality of being positive; positivity.positivisticOf or pertaining to positivism.positivitiesplural of positivitypossessinglyin a possessing mannerpossessionalRelating to possession.possessioner(obsolete) A possessor; a holder of property.possessivelyIn a possessive manner.possessivity(grammar) The quality of being possessive (indicating ownership, possession, origin, etc.).possessoress(rare, dated) A female possessor.possessorialSynonym of possessory.possiblenessQuality of being possible.possiblitiesMisspelling of possibilities.postablationFollowing ablationpostablativeFollowing ablationpostabortionAfter abortion (termination of pregnancy).postabortiveFollowing an abortionpostaccidentOccurring after an accidentpostacrosomeAlternative form of postacrosomal.postadaptiveFollowing adaptationpostadoptionAfter adoption.postadoptiveRelating to postadoption.postalveolar(phonetics) Articulated with the tongue near or touching the back of the alveolar ridge.postanalysisSynonym of postanalytical.postanaphase(biology) Following anaphasepostannealedannealed after some other processpostantennalBehind the antenna.postanthesisoccurring after the opening of a flowerpostantheticAfter the opening of a flower.postapprovalAfter approval, especially of a pharmaceutical drug.postassemblyAfter assemblingpostauditoryposterior to the auditory region of the brainpostautistic(economics) Of or relating to a political movement that criticises neoclassical economics and advocates a pluralistic approach.postbaselineAfter a baseline has been established.postbiblicalAfter the publication of the Bible.postbifurcalAlternative form of postbifurcation.postbrachial(anatomy) posterior to the armpostbreedingAfter (finishing) breedingpostbucklingFollowing, and especially as a result of, buckling.postcampaignAfter a political campaign.postcaptainsplural of postcaptainpostcardinal(anatomy) posterior to the cardinal veinpostcardlikeResembling or characteristic of a postcard; picturesque.postcardware(computing) A software product whose author requests as payment a postcard from the user's hometown.postcataractAfter cataract.postcephalicBehind the headpostcerebral(anatomy) posterior cerebralpostcervicalBeyond the cervix.postcesareanFollowing a Caesarean section.postchalazal(botany) Beyond the chalaza (in the outer integument)postchromingSynonym of afterchroming.postcingularBehind a cingulumpostcingulidA thin ridge surrounding the posterior or distal-most aspects of a lower molar crown. The postcingulid is typically located on the distal margin of the talonid, below the hypoconid, hypoconulid, and entoconid.postcingulumA small ridge behind a cingulum on a toothpostclavicle(anatomy) A bone in the pectoral girdle of many fishes projecting backward from the clavicle.postcleavageFollowing cleavagepostcochlearBehind the cochleapostcollapseAfter a collapse.postcolonialFollowing the end of colonial rule.postcondylarposterior to the condylepostconflictOccurring after a conflictpostconquestAfter a conquest.postconsumerAfter use by a consumer.postcontrastFollowing administration of a contrast mediumpostcoracoid(anatomy) Behind the coracoid processpostcoronaryAfter coronary thrombosis.postcoronoidBehind the coronoidpostcotyloidBehind the cotyloid cavitypostcriticalFollowing criticism; after all criticism has endedpostcruciateposterior to the cruciate sulcuspostdeadlineAfter a deadline.postdecretalAfter the issuing of a decree.postdeliveryAfter a delivery of e.g. mail or goods.postdialysisAfter dialysis.postdialyticFollowing dialysispostdiapauseFollowing diapausepostdilation(surgery) dilation (of a blood vessel) following some other operationpostdilutionFollowing dilutionpostdiluvialAfter the Biblical Flood.postdiluvianpostdiluvialpostdisasterOccurring after a disaster.postdistressAfter distress.postdoctoralAfter receiving a doctorate; especially of academic research or study beyond the level of a doctoral degree.postdominant(graph theory) That postdominates.postdominate(graph theory) A node z postdominates a node n if all paths to the exit node of the graph starting at n must go through zpostdonationAfter, or following a donation.postdramaticBeing or relating to an avant-garde form of theatre since the end of the 1960s, which strives to produce an effect amongst the spectators rather than to remain true to a text.postdrillingAfter drilling.postdynasticAfter the rule of a dynasty.posteclosion(biology) Following eclosionpostejectionAfter ejection.postelectionOccurring after an election.postepidemicAfter an epidemic.postepiduralAfter the administration of an epidural.posterioriseAlternative form of posteriorize.posteriorityThe condition of being posterior (in any sense)posteriorize(intransitive) To achieve posteriorization.posteriourlyObsolete form of posteriorly.posterobasalposterior and basalposteroconid(dentistry) A posterior hypoconidposterogradeSynonym of retrograde.posteromesalposteromedialposterostyle(dentistry) A crest on the posterolabial corner of the molar.posteruptionAfter a volcanic eruption.posteruptive(geology) After an eruption.postexcisionAfter excision.postexerciseThat follows exercise (physical activity).postexistentexisting or living afterwardpostexposureAfter exposure (to radiation, pathogens, etc.).postfamilialAfter the decline of the family as a social unit.postfatiguedAfter undergoing fatigue.postfeedbackFollowing feedbackpostfeminismAny of a wide range of theories that respond to feminism, arguing that it is no longer relevant or that it needs to be extended to fit the changing expectations and experiences of women.postfeministPertaining to postfeminism.postfixation(biology) A secondary fixation of a histological sample, often using osmium tetroxide to fixate lipids.postfixativeFollowing fixationpostfledgingFollowing fledgingpostflexural(anatomy) Behind a flexurepostformalinFollowing treatment with formalinpostfossetteA fossette anterior to a metaloph, especially in the teeth of a horsepostfracture(medicine) After a bone fracture.postfreezingFollowing freezing.postfurloughAfter a furlough.postfusionalFollowing fusionpostgelationOccurring after gelationpostgendered(uncommon) Postgender.postgenitureThe fact of being born after someone else of the same bloodline.postgenocideAfter a genocide.postgenomics(genetics) Any of various fields of study that are only possible after the publication of the genome of an organismpostgerminalPosterior to the germinal centrepostglobularFollowing a globular stagepostgraduateA person continuing to study in a field after having successfully completed a degree course.postgraftinggrafting following some other operationpostguidanceAfter guidance.posthardcoreA genre of music mainly derived from hardcore punk, with slower tempos and softer vocals.posthatchingFollowing hatchingpostherpetic(pathology) Following infection with herpesposthospitalAfter a period spent in hospital.posthumanism(philosophy) Any of various schools of thought that oppose the earlier humanism.posthumanist(philosophy) One who subscribes to posthumanism.posthumanityThe quality or condition of being a posthuman.posthypnosisAfter hypnosis.posthypnoticafter being hypnotizedpostillationThe act of postillating; exposition of Scripture in preaching.postimperialAfter the period of an empire.postinfusionFollowing infusion using a catheterpostinternet(often attributive) Society and modes of interaction following the widespread adoption of the internet, especially in arts and criticism.postinvasionFollowing an invasion.postinvasiveFollowing invasion.postischemia(medicine) After an ischemia.postischemicFollowing (or caused by) ischemiapostjudgmentAlternative form of post-judgment.postjuvenileAlternative form of post-juvenile.postlesionalAfter a lesion.postligationFollowing ligationpostliminaryOccurring afterward, as a concluding step.postliminium(law) The right by virtue of which persons and things taken by an enemy in war are restored to their former state when coming again under the power of the nation to which they belonged.postliminousOccurring afterward.postliteraryAfter literature.postliterateAfter the decline of literacy.postlockdownAfter a lockdown.postmagmatic(geology) Occurring after magmatic activitypostmalarialAfter malaria.postmarathonafter a marathonpostmarginalBehind a marginpostmarriageAfter marriage.postmaterialHaving gone beyond materialism; no longer concerned with material things.postmaturityThe condition of a baby that has not yet been born after 42 weeks of gestation, two weeks beyond the normal 40.postmediallyIn a postmedial direction or location.postmedievalAfter the Middle Ages.postmenarcheAlternative form of postmenarcheal.postmeridianof or pertaining to the afternoonpostmidnightAfter midnight, but before dawn.postmilitaryAfter military service.postmistressA female postmasterpostmodernlyIn a postmodern way.postmodifier(grammar) A modifier placed after the head of the phrase.postmortallySynonym of post mortem.postmovement(physiology) After a physical movement.postmultiply(mathematics) To multiply (the elements of a vector or matrix) by a following factorpostmythicalAfter the time of mythology.postnationalPertaining to a time or mindset in which the identity of a nation is no longer important.postnecrotic(medicine) Following necrosis.postneonatalDescribing the period following the neonatal period; typically between a month and a year after birthpostneuriticAfter neuritis.postneuroticFollowing neurosis.postocularlyIn a postocular mannerpostorgasmicAfter an orgasmpostorgasticFollowing orgasm.postosmicate(cytology) To postfix a biological sample using osmium tetroxidepostoutbreakAfter the outbreak of a disease.postpalatine(anatomy) postpalatal (situated behind the palate, or the palatine bones)postpandemicAfter a pandemic.postparietalLocated behind a parietal structure.postpartally(medicine) After childbirth.postpartisan(US politics) Moving past and beyond conventional partisan dividespostpatellar(anatomy) Posterior to the kneecap.postpausally(linguistics) After a pause in speech.postpetiolar(anatomy, entomology) Of or pertaining to the postpetiolepostphoreticFollowing phoresispostplatinum(medicine, phase of therapy) After platinum-based therapy, that is, after treatment with a platin.postpliocene(geology) After the Pliocene epoch.postponementA delay, as a formal delay in a proceeding.postposition(grammar) A word that has the same purpose as a preposition but comes after the noun.postpositive(grammar) A postpositive modifier.postpracticeOccurring after a practicepostprandialAfter a meal, especially after dinner.postpremiereAfter a premiere.postpronotumThe posterior division of a pronotumpostpubertalAfter puberty.postpuncture(chiefly medicine) After a puncture.postpupationFollowing pupationpostpurchaseAfter a purchase.postpyknoticAfter pyknosis.postquadrateBehind the quadrate bonepostrachiticFollowing rachitis.postraciallyIn a postracial manner.postreactionFollowing a reactionpostreceptor(physiology) Following interaction with a receptorpostremedialFollowing remedial measures.postresponseFollowing a responsepostripeningAfter ripening.postromanticOf the era following the romantic era (approximately 1880 to 1914).postrotatoryFollowing rotationpostrubeolarFollowing rubeola.postsaccadicFollowing a saccadepostsamplingFollowing samplingpostscapular(dated, anatomy) Of or pertaining to the postscapulapostscarcityAfter the elimination of scarcity; in a time when society has sufficient resources.postscriptalBeing or relating to a postscript.postscriptum(rare) A thing that has been written afterwards; something appended in writing.postseizuralAfter a seizure.postselectedselected following another processpostsemesterFollowing a semester.postspawningAfter spawning.postsphenoid(anatomy) Of or relating to the posterior part of the sphenoid bone.postsplenial(anatomy) posterior to the splenial bonepoststenosisFollowing the formation of a stenosis; poststenotic.poststenoticFollowing stenosispoststimulusFollowing a stimulus.postsuicidalNo longer suicidal.postsurgicalRelating to the period following surgery.postsymbolic(psychology) Having reached the stage of being able to communicate by means of symbols.postsynaptic(cytology) In a synapse, of or pertaining to the neuron that bears receptors for neurotransmitter released into the synaptic cleft by the presynaptic neuron.postsystolic(medicine) After systole.posttectonic(geology) Following tectonic activityposttemporalA posttemporal bone.posttertiaryAlternative form of post-Tertiary.posttracheal(anatomy) Posterior to the trachea.posttrainingAfter trainingposttransferFollowing transferposttympanic(anatomy) Situated behind the tympanumposturographSynonym of posturogram.postvacationAfter a vacation.postvaccinalAfter vaccination.postvagotomy(medicine) After a vagotomy.postvalvulardownstream of a valvepostvenerealFollowing venereal disease.postverbally(linguistics) After a verb.postvertical(anatomy) posterior to a vertexpostvolcanicFollowing the eruption of a volcano, or after a period of volcanism.postworkshopAfter a workshop (educational course or conference).postzostericFollowing infection by shingles (Herpes zoster)potamography(dated) An account or description of a river, or rivers.potamologistOne who studies rivers.potamonautid(zoology) Any crab in the family Potamonautidae.potamophobia(rare) A morbid fear of rivers.potentialismA worldview based on things that might be possible rather than the actual facts.potentialistOne who subscribes to potentialism.potentiality(countable) An instance of potential: any given possibility.potentializeTo make or give something potentialpotentiatingpresent participle and gerund of potentiatepotentiation(medicine) the synergistic effect of two drugs given simultaneouslypotentiativeRelating to potentiationpotentiatorsplural of potentiatorpotentiostat(physics) A device that maintains a constant potential during the course of a coulometric titration.potichomaniaA process in which the inside of a glass vessel is painted or etched.potichomanieAlternative form of potichomania.pottersfieldAlternative form of potter's field.pottymouthedAlternative spelling of potty-mouthed.poudretteite(mineralogy) A hexagonal-dihexagonal dipyramidal mineral containing boron, oxygen, potassium, silicon, and sodium.poulticelikeResembling or characteristic of a poultice.poulticewiseIn the manner of a poultice.poultryhouseA house for poultry (avian livestock), usually for chickens.poultrywomanA female poulterer.pourcontrellAlternative form of pourcuttlepourpointingSynonym of pourpointerie.pourprestureAlternative form of purpresture.powderflasksplural of powderflaskpowerboatingThe act of travelling in a powerboat.powerbrokersplural of powerbrokerpowerbrokinginformal and nondemocratic manipulation of politics by the rich and powerfulpowerfulnessThe quality of being powerful.powerholdingOccupying a position of power.powerlifting(disability sports) A strength parasport, consisting of a single-rep benchpress.powersharingThe sharing of power, especially political power between two or more leaders or political parties.powerstrokesplural of powerstrokepowerwalkingpresent participle and gerund of powerwalkpowerwashingpresent participle of powerwashpracticaliseAlternative form of practicalize.practicalismA system of government where all major policy decisions are voted upon directly by the people, or where the experts in the field concerning the policy meet and decide how to best carry out the idea.practicalistOne who focuses on what is practical rather than theory or ideals.practicality(uncountable) The state of being practical or feasible.practicalizeTo render practical; to put into practice.practicelikeResembling or characteristic of practice.practicewearClothing designed to be worn while practising an activity such as sport or dancing.practicionerMisspelling of practitioner.practitionerA person who practices a profession or art, especially law or medicine.praecoracoidDated form of precoracoid.praeprandialAlternative form of preprandial.praeteritionAlternative form of preterition.praetorshipsplural of praetorshippragmatician(linguistics) A linguist who specializes in pragmatics.pragmaticismA Peircean philosophy based on strict logic, the immutability of truth, the reality of infinity, and the difference between (i) actively willing to control thought, to doubt, to weigh reasons, and (ii) willing not to exert the will, willing to believe.pragmaticistOne who studies pragmatics.pragmaticizeSynonym of pragmatize.pragmatisticRelating to pragmatism; pragmatic.praisabilityThe degree or quality of being worthy of praise.praiseworthyMeriting praise; worthy of high praisepralatrexate(pharmacology) An anticancer drug.pralltriller(music) A melodic embellishment consisting of the quick alternation of a principal tone with an auxiliary tone above it, usually the next in the scale.pramiracetamA nootropic drug derived from piracetam.prankfulnessThe quality of being prankful.prankishnessPrankish behaviour; mischief.pranksteressA female prankster.pranksterishLike a prankster; inclined to play pranks.pranksterismThe attitudes or behaviour of a prankster; a tendency to play practical jokes.pranotherapypranic therapypraporshchikA senior non-commissioned officer, originally in the Russian military, and still in certain other uniformed services of the Russian government.praseocobaltA green variety of cobalt.praseodymate(inorganic chemistry) Any oxyanion of praseodymium; any salt containing such an anion.praseodymian(mineralogy) Containing praseodymiumpraseodymiumA chemical element (symbol Pr) with an atomic number of 59, a soft, silvery, malleable and ductile rare earth metal, valued for its magnetic, electrical, chemical, and optical properties.prasinophyteAny of various flagellate, unicellular green algae of the class PrasinophyceaeprasinovirusAny virus of the genus PrasinoviruspratincolineSynonym of pratincolous.pratincolous(zoology) Living in meadows.pratylenchid(zoology) Any member of the Pratylenchidae.praxeologistOne who studies praxeology.praxinoscope(historical) An animation device invented in 1877 and used in early image projection. It consisted of a series of pictures and an arrangement of mirrors in a horizontally rotating box.praxiography(sociology) The study of social practices.prayerlesslyWithout prayer.preabdominalRelating to the preabdomenpreacherlessWithout a preacher.preacherlikeResembling or characteristic of a preacher.preachershipThe role or office of a preacher.preacquittalBefore acquittal.preactivatedactivated in advancepreacylationPrior to acylationpreaddressedaddressed in advancepreadherencePrior to adherence.preadipocyte(biology) An undifferentiated fibroblast that can be stimulated to form an adipocytepreadmissionBefore admission (to a hospital, university, etc.).preadulthoodThe period of life before adulthood.preadverbial(grammar) Before an adverb.preadvertiseTo advertise beforehandpreafternoonBefore the afternoon.preaggregateTo aggregate in advance.prealcoholicOne who is not yet an alcoholic.prealgebraic(education) Before the study of algebra.prealignmentalignment prior to some other operationprealiquotedaliquoted prior to some other processpreallotmentThe process of allotting in advance.prealternateDescribing the moult that precedes the formation of a birds alternate plumagepreamendmentBefore an amendment.preamplifiedamplified in advance of another operationpreamplifierA voltage amplifier for amplifying a low-level input signal; its output is the input to a higher-level amplifier.preampullary(biology, anatomy, medicine) Before an ampulla, as for example (usually, more specifically) upstream of the ampulla of Vater in the lumen of the duodenum; structures and events that are preampullary thus exist in the foregut rather than in the midgut.preanaphoral(Christianity) Before the anaphora.preanhepaticPrior to the anhepatic stage of liver transplantationpreannotatedannotated prior to publicationpreannouncerOne who makes a preannouncement.preantiquityThe time before antiquity.preapartheidBefore the imposition of apartheid.preapologize(intransitive) To apologize in advance; to make an apology before the fact.preapoptoticPrior to apoptosispreappetizerAn amuse-bouche.preappraisedappraised prior to some other operationprearticular(anatomy) Preceding articulationpreascertain(transitive) To ascertain in advance.preaspirated(phonetics, of a consonant) Affected by preaspiration.preassembledAssembled beforehand, especially at a manufacturing plant.preassociate(transitive) To associate in advance.preassuranceprevious assurancepreasthmaticBefore the onset of asthma.preattentionThe noticing of something before attention is fully focused on it.preattentiveOf or pertaining to preattention.preauricularIn front of the external ear.preauthorizeTo authorize in advance.preautonomicPrior to having conscious controlpreaxostylarRelating to preaxostylidspreaxostylidAny excavate of the former class Preaxostyla (now Anaeromonadea)prebaptismalBefore baptism.prebariatric(surgery) Prior to a bariatric procedureprebendalismA system of political patronage employment.prebendariesplural of prebendaryprebetrothalBefore betrothal.prebleachingbleaching prior to some other processpreborrowing(finance) Prior to borrowing.prebranchialanterior of the gillsprebreakfastBefore breakfast.prebroadbandBefore the introduction of broadband Internet access.prebroadcastBefore a broadcast.prebronchial(anatomy) Situated in front of the bronchusprebudgetarySynonym of prebudget.preburlesqueBefore the introduction of burlesque performances.preburnishedburnished in advanceprecalcarine(anatomy) In front of the calcarine sulcusprecalculateTo calculate in advance.precancerous(oncology) Of or pertaining to growth that is likely to develop into cancer.precandidacyState of being a precandidate.precandidateA person approved as a possible candidate.precanonicalPrior to the development of a religious canon.precapillary(anatomy, of an arteriole or venule) preceding (on the arterial side of) a capillaryprecaptivityPrior to a period of captivity.precariouslyIn a precarious manner; dangerously.precatalytic(biochemistry) Relating to the changes (in structure etc.) that happen to enzymes before their catalytic function becomes possible.precatatonicPrior to catatonia.precautionalArchaic form of precautionary.precedaneous(obsolete) preceding; antecedent; previousprecedentaryBeing or relating to a precedent; coming before.precedential(law) Having the force of precedent.precelebrate(transitive) To celebrate in advance.precentorialOf or relating to a precentor.precentrallyIn a precentral directionpreceptivelyIn a preceptive mannerpreceptoressAlternative form of preceptress.preceptorialPertaining to a preceptor.preceptoriesplural of preceptorypreceptuallyIn terms of precepts.precessionalOf or pertaining to precession.prechallengePrior to a drug challenge.prechiamaticMisspelling of prechiasmatic.prechildhoodA period before childhood.precinematicBefore the invention of cinema.preciositiesplural of preciositypreciousnessThe condition of being precious.precipitableAble to form a precipitateprecipitancePrecipitancy.precipitancySuddenness; excessive haste.precipitantsplural of precipitantprecipitatedHastened; hurried.precipitatesplural of precipitateprecipitatorOne who or that which precipitates (causes something to happen or urges it on with vehemence or rashness).precipitiousObsolete form of precipitous.precisianismThe quality or state of being a precisianprecisianistA precisian; a religious purist or Puritan.precisioniseAlternative form of precisionize.precisionismA modernist art movement that emerged in the United States after World War I, reducing subjects to their essential geometric shapes and eliminating detail.precisionistOne who values precision.precisionize(transitive) To make precise.precivilizedBefore civilization.precladisticPrior to the use of cladistics.preclarifiedclarified before some other processpreclassicalOf or pertaining to a period before a classical period.preclearanceA procedure to arrange for clearing customs or immigration in advance.preclimacticBefore a climax.preclusivelyIn a preclusive manner; preventively.preclusteredclustered prior to some other operationprecoagulantA coagulant used in precoagulationprecoalitionBefore a coalition.precoccygeal(anatomy) In front of the coccyx.precociality(ornithology) The condition of being precocial.precociouslyIn a precocious manner.precognisantAlternative spelling of precognizant.precognition(Scots law) The practice of taking a factual statement from a witness before a trial.precognitivePertaining to the ability to see or predict future events.precognizantDisplaying precognitionprecoitionalPrior to sexual intercourse.precollectedcollected prior to some other operationprecollisionBefore collision.precollusionBefore collusion.precolonizedcolonized in advanceprecolostralPrior to receiving colostrumprecolumbianAlternative letter-case form of pre-Columbian.precombusted(of a fossil fuel) From which carbon dioxide has been removed prior to combustionprecommittalBefore committal (e.g. to a hospital).precommittedcommitted prior to some other actionprecommunionBefore Holy Communion.precommunistBefore the introduction of communism.precompetentPrior to becoming competent.precomposingpresent participle and gerund of precomposeprecomputers(informal) Before the availability of computers.preconceived(of an opinion or notion) Conceived beforehand: formed ahead of time.preconceivesthird-person singular simple present indicative of preconceivepreconcertedAgreed upon in advance.preconciliarIn or of the period before an ecclesiastical council, especially the Second Vatican Council.precondensedcondensed prior to some other operationpreconditionA condition that requires satisfaction before taking a course of action.preconfigure(transitive) To set up or arrange something in advance so that it is ready for operation for a particular purpose, or to someone's particular liking.preconfluentPrior to confluence (of cells)preconnectedsimple past and past participle of preconnectpreconnubialBefore marriage.preconqueredsimple past and past participle of preconquerpreconsciousPrior to consciousness.preconsignedsimple past and past participle of preconsignpreconstruct(transitive) To construct in advance.preconvertedsimple past and past participle of preconvertprecoralloidFormed prior to that of coralloid rootsprecordiallyIn a precordial manner or directionprecourtship(biology) Before courtship.precremationBefore cremation.preculminateIn front of a culmenprecuneiformanterior to the cuneiform boneprecursorialActing as or being a precursor.precutaneousMisspelling of percutaneous.precuticularThat develops into the cuticleprecytotoxicPrior to the onset of cytotoxicity.predaceouslyIn a predatory mannerpredamnation(theology) Predestined damnation.predebutanteSynonym of subdebutante.predeceasingpresent participle and gerund of predeceasepredecessive(now rare) Going before; preceding.predecessorsplural of predecessorpredecessoryBeing or pertaining to a predecessor.predecessourObsolete spelling of predecessor.predefectionBefore defection.predelictionMisspelling of predilection.predemocracyBefore democracy.predenatureddenatured prior to some other procedurepredentistryAn undergraduate academic program tailored to prepare the student for graduate study in dentistry, usually followed by practice as a dentist.predepartureOccurring before or in preparation for one's departure.predepositeddeposited in advancepredescribed(formal) Described earlier.predesignateDesignated in advance.predestinary(obsolete) predestinarianpredestinateTo predestine.predestiningpresent participle and gerund of predestinepredetentionPrior to detention.predetermine(transitive) To determine or decide in advance.predeveloper(chemistry) A substance used prior to developer.prediagnoseddiagnosed in advanceprediagnosis(medicine) Prior to diagnosisprediapausalPrior to diapause.prediastemalanterior to a diastemaprediastolic(archaic, physiology) Preceding the diastole of the heart.predicamentsplural of predicamentpredicatablePredicable; capable of being predicated.predicationsplural of predicationpredicatival(grammar) Of or pertaining to the predicate of a sentence.predictinglyIn a predicting manner.predictionalRelating to prediction; prophetic; prognostic.predictivelyIn the manner of something that attempts to or succeeds in predicting, anticipating or expecting.predictivityThe condition of being predictiveprediffusiondiffusion prior to some other processpredigestionThe partial hydrolysis etc. of food, by enzymes or other materials, prior to normal digestionpredilectionA condition of favoring or liking; a tendency towards; proclivity; predisposition.predimension(mathematics) The result of a function on a group of sets, where the function satisfies three conditions: (1) it returns 0 for the empty set; (2) if one set is contained in another set, the function always returns a value that is less than or equal to the result for the containing set; (3) the result for the union of two sets is less than or equal to the sum of the results for each of those sets individually minus the result for their intersection.predimerizedsimple past and past participle of predimerizepredischargeBefore a discharge (especially, discharge from a hospital, military service, or other institution).prediscoveryA previous discovery.prediscussedHaving been discussed in advance.predismissalBefore dismissal.predispenseddispensed in advancepredispersalPrior to dispersalpredisponent(archaic, medicine) Disposing beforehand; predisposing.predisposingpresent participle and gerund of predisposepredissectedHaving been dissected in advance.predissolveddissolved prior to some other processpredistortedSubject to predistortionprediversionBefore a diversion.prednisolone(pharmacology) A synthetic glucocorticoid C₂₁H₂₈O₅ that is a dehydrogenated analog of cortisol and is used especially as an anti-inflammatory drug.prednylidene(pharmacology) A glucocorticoid for systemic use.predoctorateSynonym of predoctoral.predominanceThe condition or state of being predominant; ascendancy, domination, preeminence, preponderance.predominancyPredominance.predominatedsimple past and past participle of predominatepredominatesthird-person singular simple present indicative of predominatepredominatorOne who predominates.preduplicateA duplicate made prior to some other operationpreeclampsia(pathology) A complication of pregnancy, affecting about 2-20% of women, depending on location, characterized by hypertension and damage to the linings of the blood vessels of the brain, liver, lungs and kidneys, which can lead to multiple organ failure, convulsions, coma and death. The only cure is delivery of the child.preeclampticOf or pertaining to preeclampsia.preeducationPrior to education.preelectoralBefore an election.preembeddingembedding prior to some other processpreembryonicBefore the development of the embryo.preemergence(of herbicide use) Before the emergence of the plants being targeted.preeminentlyIn a preeminent manner.preemptionalOf or relating to preemption; preemptive.preemptionerOne who holds a prior right to purchase certain public land.preemptivelyIn a preemptive manner.preemptorilyIn a preemptory manner.preenactmentPrior enactment.preenrolmentPrior to enrolmentpreestablish(transitive) To establish beforehand.preexistenceThe condition of having existed prior to the current time.preexistencyObsolete form of preexistence.preextractedsimple past and past participle of preextractprefabricate(transitive) To manufacture (a building, etc.) in standard components that can be fitted together on site.prefectorialOf or pertaining to a prefect.preferentialOf or relating to the showing or giving of preference.prefertilityBefore becoming fertile.prefetchableCapable of being prefetched.prefeudalismAn incipient form of feudalism.prefibrillarBefore the fibrillar stage.prefigurableCapable of being prefigured.prefilteringpresent participle and gerund of prefilterprefinancingpresent participle and gerund of prefinanceprefixationsplural of prefixationpreflightingpresent participle and gerund of preflightprefloration(botany) The arrangement (vernation) of floral parts in a bud.preflowering(botany) Prior to floweringprefoliation(botany) Vernation (arrangement within a bud) of leaves.preformationPrior formation.preformativeOf or pertaining to preformation.preformattedFormatted in advance.preformisticRelating to the theory of preformationism.preformulateTo formulate (a pharmaceutical drug) in advance of general availabilityprefricative(phonetics) Before a fricative.prefrontallyIn a prefrontal direction; in a prefrontal regionprefusogenicPrior to becoming a fusogenpregenitallyIn the pregenital periodpregermarialIn front of the germariapregestationBefore gestation.pregivennessThe quality or state of being pregiven.preglabellar(anatomy) In front of the glabellapregnabilityThe quality of being pregnable.pregnadienesplural of pregnadienepregnanediol(organic chemistry) A steroid formed by the metabolism of progesterone; it is excreted in the urine of pregnant women.pregnanolone(organic chemistry) An epimer of allopregnanolone that has similar propertiespregnantnessQuality of being pregnant.pregnatrieneA triene derivative of a pregnane.pregnenolone(biochemistry, steroids) A steroid prohormone involved in the steroidogenesis of progesterone, mineralocorticoids, glucocorticoids, androgens, and estrogens.pregonopodalIn front of a gonopodpregranulosa(anatomy) A capsule of cells that surrounds the primordial ova in the embryonic ovarypregrievanceBefore a grievance is filed.pregustationThe act of tasting something beforehand; foretaste.preharvestedPrior to harvesting; pre-harvestpreheminence(obsolete) Rare spelling of preeminence.prehensilelyIn a prehensile way.prehensilityThe condition, or extent, of being prehensile.prehensorialBeing or relating to a prehensor.preheritanceTransfer of property to relatives or other beneficiaries prior to death.prehesternal(grammar) Relating to past time earlier than yesterday.prehistorianA student of, or expert in prehistory.prehistoricsThe scientific study of prehistory.prehistoriesplural of prehistoryprehodiernal(grammar) Relating to past time earlier than today.prehostilityPrior to hostility.prehurricaneOccurring before a hurricane.prehybridizeTo hybridize prior to some other processprehydrationhydration prior to some other processpreimitative(psychology) Before the development of true imitative behaviour.preimplantedimplanted before some other operationpreinauguralPreceding or in preparation for an inaugurationpreinclusionBefore inclusion.preincubatedSubjected to preincubationpreinductioninduction prior to some other processpreinfectioninfection prior to another processpreinflationinflation prior to some other processpreingestionprior ingestionpreingestivePrior to ingestionpreinitiatedinitiated earlypreinitiatorAny material that causes preinitiationpreinjection(medicine) Before an injection is administered.preinjuriousPrior to injury.preinoculate(transitive) To inoculate in advance.preinsertionPrior to insertionpreinsulatedInsulated in advance, as at the time of manufacture.preinterpret(transitive) To interpret in advance.preinterviewBefore an interview.preinventionBefore the invention of something; applied to legal agreements in which an employee agrees to assign to his/her employer the rights to any invention he/she later creates while employed.preinventoryPrior to an inventory being taken.preischaemicAlternative form of preischemic.preisolationisolation prior to some other operationpreiswerkite(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, magnesium, oxygen, silicon, and sodium.prejudgementAlternative spelling of prejudgment.prejudgmentsplural of prejudgmentprejudicedlyIn a prejudiced manner.prejudiciary(archaic) Synonym of prejudicial.prejudicious(rare) Acting with prejudice; having prejudice.preknowledgeprior knowledgeprelaminatedlaminated in advanceprelapsarian(Judaism, Christianity) Of, or relating to the period of innocence before the Fall of man; innocent, unspoiled.prelaryngeal(anatomy) anterior to the larynxprelaticallyIn a prelatical manner; with reference to prelates.prelegendaryBefore the development of a legend, or legends in general.preleptotenePrior to leptotenepreleukaemiaAlternative form of preleukemia.preleukaemicAlternative form of preleukemic.prelexicallyIn a prelexical mannerprelicensingPrior to receiving a license.prelicensureOccurring before licensure.preliminarlyMisspelling of preliminarily.prelinguallyIn a prelingual mannerpreliquefiedliquefied prior to some other operationprelocalizedsimple past and past participle of prelocalizeprelysosomal(biochemistry) Prior to the action of lysosomal enzymespremalignantPrecancerous.premammalianBefore the evolution of mammals.premammilaryMisspelling of premammillary.premaritallyBefore marriage.premarketingBefore the marketing of a product or service.premasticate(transitive) prechewprematernityPrior to maternity.premaxillaryOf or pertaining to the premaxillaepremediaevalAlternative form of premedieval.premedicatedsimple past and past participle of premedicatepremeditatedsimple past and past participle of premeditatepremeditatorOne who premeditates.premenarchalAlternative form of premenarcheal.premenopauseBefore the menopause.premenstrualOccurring in the time period during the menstrual cycle leading up to the beginning of menstruation.prementionedMentioned before or earlier; aforementioned.premessianicBefore the coming of a messiah.premetaphaseSynonym of prophase.premigrationBefore migration.premigratoryprior to migrationpremodernismAny style of things predating the modern era.premodernityThe period before the modern erapremodulatedsimple past and past participle of premodulatepremoistenedMoistened in advance.premolecular(especially in combination) Prior to the introduction of a molecular aspect of a subjectpremonitionsplural of premonitionpremonocyticRelated to a premonocytepremonstrateTo show beforehand; to foreshow.premorbidityThe quality of being premorbid.premunicipalBefore the establishment of a municipality.premutagenicOccurring prior to mutagenesispremyofibril(biology) A structure formed during sarcomerogenesis that develops into a nascent myofibril.preneolithicBefore the Neolithic era.preneoplasiaThe state of being preneoplasticpreneoplasicAlternative form of preneoplastic.prenephritic(pathology) Prior to the development of nephritisprenewtonianBefore the work of Isaac Newton.prenominally(grammar) Before a noun.prenticeshipObsolete form of apprenticeship.prenucleolarRelating to a prenucleolusprenuptiallyBefore marriage.prenylatable(biochemistry) That can be prenylatedpreoblongata(anatomy) The anterior part of the medulla oblongata.preoccipital(anatomy) Situated in front of the occipital region or occipital lobe.preocclusionPrior to occlusion.preoccupancyThe act of taking possession before another.preoperating(business) Before the start of operation.preoperationPrior to an operation (military, surgical, or other).preoperativePrior to surgery.preoperatorypreoperationalpreopercular(anatomy) Situated in front of the operculum.preoperculum(anatomy) The anterior opercular bone in fishes.preordinanceAntecedent decree or determination; a rule previously established.preorganisedAlternative form of preorganized.preorganizedorganized in advancepreosteocyte(cytology) A cell, derived from an osteoblast, that develops into an osteocytepreovulation(biology) The period of time that precedes ovulation.preovulatoryPrior to ovulation.preoxidationoxidation prior to some other processpreoxidativeRelating to preoxidationpreoxygenateTo oxygenate prior to some other processprepackagingpresent participle and gerund of prepackagepreparalyticBefore the onset of paralysis.preparasiticprior to becoming a parasitepreparationsplural of preparationpreparednessThe state of being prepared.preparturialPrior to parturitionprepatternedpatterned in advancepreperfusionperfusion in advance of some other operationprephilatelyThe branch of philately concerned with postal systems prior to the introduction of postage stamps.prephonatoryAlternative form of prephonetic.preplacementBefore placement.preplacental(anatomy) anterior to the placentapreplanetaryBefore the existence or formation of planets.prepoliticalBefore the development or introduction of politics.preponderantHaving greater or the greatest weight, quantity, importance or force.preponderate(transitive) To outweigh; to be heavier than; to exceed in weight.preponderingpreponderating; exceeding in weightpreponderouspreponderantpreportionedsimple past and past participle of preportionprepositionsplural of prepositionprepossessedsimple past and past participle of prepossessprepossessesthird-person singular simple present indicative of prepossessprepossessorOne who possesses, or occupies, previously.preposterate(obsolete) To reverse or turn upside down.preposterousAbsurd, or contrary to common sense.prepotenciesplural of prepotencyprepotential(biology) The depolarization of a cell membrane between action potentialsprepregnancyBefore the onset of pregnancy.preprimitiveBefore a primitive age.preprocedure(surgery, medicine) Prior to a surgical or medicinal procedure.preprocessedsimple past and past participle of preprocesspreprocessor(computing) program that processes its input data to produce output that is used as input to another programpreproenzyme(biochemistry) The precursor of a proenzymepreprogrammeBefore a programme (of study, etc.).preprolactin(biochemistry) The precursor to prolactinprepromotionBefore a promotion.preproorexin(endocrinology, biochemistry) A precursor of orexin, selectively expressed in the lateral hypothalamic area.preproperate(transitive) To do too soon; to hasten too much.prepropheticBefore a prophet or a prophecy.preprostatic(anatomy) anterior to the prostatepreprovision(transitive) To provision in advance.prepsychoticBefore the onset of psychosis.prepuberallyprepubertallyprepubescentBefore the age at which a person begins puberty.prepublicityPublicity for a product or service that is not yet available.preputiotomy(medicine, surgery) The surgical incision of the prepuce (foreskin) of the penis, typically performed to relieve phimosis.prequadratic(anatomy) In front of the quadrate or the quadratojugalprequalifierOne who prequalifies.prequantizedHaving undergone prequantization.prequeuosine(biochemistry) A precursor of queuosinepreradiationPrior to therapeutic radiationprerandomizeTo randomize prior to some other operationprerebellionBefore a rebellion.prereceptiveNot yet receptive.prerecession(economics) Occurring before a recessionprerecordingSomething prerecorded.prereductionreduction prior to some other process or reactionprerehearsalBefore a dramatic rehearsal.prerejectionPrior to rejection.prereligiousBefore the existence of religion.preremissionPrior to remission.prerequisiteRequired as a prior condition of something else; necessary or indispensable.preresection(surgery) Prior to resectionpreretinallyIn a preretinal manner or directionpreretrievalBefore retrieval.prereversionBefore reversion.prerheumaticBefore the onset of rheumatism.preribosomalPrior to the development of a ribosomeprerogativalOf or relating to a prerogative.prerogativedHaving a prerogative, or exclusive privilege.prerogativesplural of prerogativepresacrificePrior to a sacrifice.presanctionsBefore the introduction of sanctions.presatelliteBefore the use of a satellite.presbyacusisAlternative form of presbycusis.presbylarynxatrophy of the tissues of the larynx, typically as a result of agepresbyophagydysphagia as a result of old agepresbyphoniaThe changes to a person's voice due to ageingpresbyteratepresbytership, eldershippresbyteress(historical) A presbyter or priest's wife.presbyterialPresbyterian.presbyterianOf or pertaining to a presbyter, or to ecclesiastical government by presbyters; relating to those who uphold church government by presbyters; also, to the doctrine, discipline, and worship of a communion so governed.presbyteriesplural of presbyterypresbyterium(architecture) A presbytery.preschoolersplural of preschoolerpreschoolingpresent participle and gerund of preschoolprescratched(of consumer goods) Having an undesirable scratch or scratches at the time of acquisition.prescreeningpresent participle and gerund of prescreenprescribableCapable of being prescribed.prescription(medicine) The medicine or treatment provided by such an order.prescriptiveOf or pertaining to prescribing or enjoining, especially an action or behavior based on a norm or standard.prescutellar(entomology) In front of the scutellumpresecondaryBefore secondary education.presecretoryHappening or produced prior to secretionpresectarianPrior to sects; prior to sectarianism.presectorialRelating to a presectorpresegmentedsegmented prior to some other operationpresegregateTo segregate prior to some other operationpreselection(politics) The process by which a candidate for public office is selected, usually by a political partypreselectiveRelating to preselectionpreselectorsplural of preselectorpresemifield(mathematics, algebra) A finite algebra satisfying all the axioms for a skew field except multiplicative associativity and the existence of a multiplicative identity.presencelessWithout a presence.presenescentBefore the onset of senescence.presensationprevious sensation, notion, or ideapresensitizeTo cause or to undergo presensitization.presentationThe act of presenting, or something presented.presentativePresenting, or able to represent, an idea in the mind.presenteeism(chiefly UK) The fact of being present at work, especially if one is too sick to be productive, or working beyond the expected hours.presentiallyIn a presential manner.presentiencethe act of sensing before the eventpresentimentA premonition; a feeling that something, often of undesirable nature, is going to happen.presentivelyIn a presentive manner.presentmentsplural of presentmentpreseparatorA device or component that performs preliminary separation.presequencedsimple past and past participle of presequencepreservationThe act of preserving; care to preserve; act of keeping from destruction, decay or any ill.preservatiseAlternative form of preservatize.preservativeAny agent, natural or artificial, that acts to preserve, especially when added to food.preservatize(transitive, chiefly Australia, New Zealand) To treat with a preservative.preservatorypreservativepreserveress(dated) A female preserver.preservinglyWhilst preserving some quantity or qualitypresessionalBefore a session, often an academic term.presexualityThe quality of being presexual.preshrinkingpresent participle and gerund of preshrinkpresidenciesplural of presidencypresidentess(archaic) A female president.presidentialPertaining to a president or presidency.presidentrix(rare, often humorous) A female president.presignature(cryptography) An intermediate value used in forming a signature, unrelated to the contents of the message being signed.presignifiedsimple past and past participle of presignifypresimulatedsimulated in advancepreskimmiane(organic chemistry) A particular acridone alkaloid.preslaughterBefore slaughter.presmoothingpresent participle and gerund of presmoothpresocialism(socialism) That social order preceding socialism; the transition to socialism.presocialist(socialism) Preceding socialism; before a socialist revolution.presofteningpresent participle of presoftenpresophomore(education) Before the sophomore level.prespacetime(physics) Prior to the existence of spacetimeprespecifiedspecified in advance.pressiometer(geology) A device used to measure the stress in soil under pressurepressiometrymeasurement with a pressiometerpressmanshipThe state or business of a pressman (printing-press operator).pressurelessWithout pressure or the use of pressure.pressuresome(rare) Characterised or marked by pressurepressurewash(transitive) To clean a surface or area using a pressure washer.pressurisingpresent participle and gerund of pressurisepressurizingpresent participle and gerund of pressurizeprestabilityPrior to a state of stability.prestabilizeTo stabilize prior to some other operationpresterilizeTo sterilize in advance.presteroidalIn the era before steroids were available.prestigelessWithout prestige.prestigiator(obsolete) A conjurer; a prestidigitator.prestimulateTo stimulate in advanceprestosuchid(zoology) Any archosaur in the family Prestosuchidae.prestrategic(military, nuclear weapons) Before the onset of full strategic nuclear warfare.prestressingpresent participle and gerund of prestressprestructureTo structure in advancepresubgenual(anatomy) anterior to the subgenual region of the brainpresubicularRelating to the presubiculum.presubiculum(anatomy) A rostral part of the parahippocampal gyrus of the guenon.presubocularIn front of, and beneath, the eye (typically of a snake)presulfidingTreatment with sulfur or sulfide prior to some other operationpresumptionsplural of presumptionpresumptiousDated form of presumptuous.presumptuousMaking unwarranted presumptions or assumptions, often out of arrogance or excessive self-confidence, and thus exceeding appropriate or rightful limits.presupernova(astronomy) Describing the period, and the events, prior to a star becoming a supernovapresupposingThat presupposes.presurrenderPrior to a surrender.presweetenedsweetened in advancepresymbiosis(biology) The stage in the development of an organism during which the necessary biochemical changes are made to allow a move from asymbiosis to symbiosispresymbiotic(biology) Describing the time, or developmental stages, before the development of a symbiotic relationship.presyncytialPrior to the formation of a syncytiumpresynthetic(biochemistry) Relating to the synthesis of mRNA and proteins prior to interphasepretabulatedsimple past and past participle of pretabulatepretargetingtargeting prior to some other procedurepretazettine(organic chemistry) A polycyclic alkaloid, (3S,4aS,6aR,13bS)-3-methoxy-5-methyl-3,4,4a,5,6,6a-hexahydro-8H-[1,3]dioxolo[6,7]isochromeno[3,4-c]indol-8-ol, present in lilies of the family Amaryllidaceaepretechnical(education) Leading up to a technical course.pretelegraphBefore the invention or spread of the telegraph.pretelephoneBefore the invention or spread of the telephone.pretencelessAlternative form of pretenseless.pretenderismSynonym of pretendership.pretendinglySo as to pretend.pretenselessNot having or making pretenses.pretensionalOf or relating to pretense or pretension; pretended.pretensionedtensioned prior to some other operationpretensionerA mechanism to retract and tighten a seatbelt, prior to a crash.pretensivelyIn a pretensive manner.pretentativeFitted for trial beforehand; experimental.pretercanineMore than canine.preterfluent(obsolete) flowing bypreteritionsplural of preteritionpreteritnessAlternative form of preteriteness.preterlapsed(archaic) past; formerpretermittedsimple past and past participle of pretermitpreternature(rare) The realm beyond the natural; the preternatural.preternormalBeyond what is normal; supernatural; paranormal.pretextuallyIn a pretextual manner.pretilachlorA particular herbicide.pretransportOccurring before transportation.pretraumaticThat occurs prior to traumapretreatmentPrior to treatment.pretriggeredtriggered in advanceprettinessesplural of prettinesspretubulysinA tubulysin precursor (2S,4R)-2-methyl-4-[[2-[(3R)-4-methyl-3-[methyl-[(2S,3S)-3-methyl-2-[[(2R)-1-methylpiperidine-2-carbonyl]amino]pentanoyl]amino]pentyl]-1,3-thiazole-4-carbonyl]amino]-5-phenylpentanoic acidpretzelosity(mathematics, physics) The condition of having the knotted form of a pretzelprevaccinate(transitive) To vaccinate in advance.prevailinglyMainly, predominantly.prevaricatedsimple past and past participle of prevaricateprevaricatesthird-person singular simple present indicative of prevaricateprevaricatorOne who prevaricates.prevasectomyBefore a vasectomy.prevenientlyIn a prevenient manner. Anticipatorily, antecedently.preventativeAlternative form of preventive.preventingly(dated) So as to prevent or hinder.preventivelyIn a preventive waypreventivist(rare) A preventionist.preventorial(historical) Being or relating to a preventorium.preventorium(historical) An institution or building for the isolation of patients infected with tuberculosis who did not yet have an active form of the disease.prevertebral(anatomy) Situated immediately in front of, or on the ventral side, of the vertebral columnpreviousnessThe quality of being previous.previsionaryRelating to prevision or foresight; prophetic.previsioningpresent participle and gerund of previsionprevisualize(transitive) To visualize (a scene of a film, etc.) before shooting.prewanderingPrior to a wandering stage (in any of various contexts)prezygomatic(anatomy) Located in front of the zygomaprickishness(slang) Synonym of prickery (“prickish behaviour”).pridefulnessThe state or condition of being prideful (arrogant, haughty); pride.priestianity(derogatory) Any practices of Christianity that place an excessive emphasis on the role of the priest.priestlinessThe quality or state of being like a priest.priestriddenAlternative form of priest-ridden.priggishnessThe state or quality of being priggish.primaevalityAlternative spelling of primevality.primatomorphAny mammal of the mirorder Primatomorpha; a primate or colugo.primevalnessThe quality of being primeval.primigeniousAlternative form of primigenous.primigravida(obstetrics, veterinary medicine) A woman or female animal who is pregnant for the first time, or who has been pregnant once.primigravityThe condition of being primigravid.primitivistsplural of primitivistprimogenitalRelating to primogeniture.primogenitorAn initial ancestor.primordiallyIn a primordial manner.primroselikeResembling or characteristic of a primrose.primulaceous(botany) Characteristic of the primrose and other plants of the family Primulaceae.princelihood(rare) The state or condition of being princely.princelinessThe quality or state of being princely.princesshoodThe state, quality, or condition of a princessprincesslessWithout a princess.princesslikeResembling or characteristic of a princess.princessnessThe quality of being a princess.princessshipRare form of princess-ship.principalismAlternative form of principlism.principalist(politics) A radical conservative.principality(countable) A region or sovereign nation headed by a prince or princess.principicide(countable and uncountable) The killing of a prince.principledlyIn a principled manner.printabilityThe state or condition of being printable, or of being a suitable ink or paper for use in printing.printsellersplural of printsellerprionisationAlternative form of prionization.prionizationThe misfolding of a protein to form a prionprionochezia(pathology) The excretion of prions in the feces.prioritarianOne who subscribes to prioritarianism.prioritisingpresent participle and gerund of prioritiseprioritizingpresent participle and gerund of prioritizeprismatoidalHaving the shape of a prismatoid.prisonerlikeResembling or characteristic of a prisoner.prisonguardsplural of prisonguardpristiglomid(zoology) Any member of the Pristiglomidae, certain saltwater clams.pristinenessThe state or condition of being pristine.privatdocentAlternative form of privatdozent.privatdozentIn some European countries, an academic who holds all formal qualifications (doctorate and habilitation) to become a tenured university professor.privateeringpresent participle and gerund of privateerprivatizableCapable of being privatized.privilegiadoOne who has special privileges.prizefighterA professional boxer.prizewinnersplural of prizewinnerprizewinningHaving won at least one prize.proacaricideAny substance that becomes an acaricide after being metabolisedproaccelerin(biochemistry) Factor V, a protein of the coagulation system.proacrosomalThat develops into an acrosomal granule, vesicle etcproacrosomicThat leads to the production of acrosomesproadjective(linguistics) A term that is not an adjective but serves the same purpose.proaerolysinThe protoxin of aerolysinproamanullinAn amatoxin present in mushrooms of the genus Amanitaproansamycin(biochemistry) Any of a group of macrocyclic compounds that are intermediates in the biosynthesis of ansamycinsproapoptosisproapoptoticproapoptoticThat leads to apoptosisproasthmaticThat promotes asthmaprobableness(formal, rare) The state or quality of being likely to occur; likelihood, probability.probacteriumAny probiotic bacteriumprobationaryOf, pertaining to, or subject to probationprobationersplural of probationerprobationistOne who is on probation.problacknessThe support of favoring of black people.problematica(paleontology) Fossil specimens or elements that cannot be identified or assigned to a taxon.problematickObsolete form of problematic.problematicsplural of problematicproblematiseAlternative form of problematize.problematistOne who proposes problems (questions or puzzles).problematize(transitive) To make something into a problem.proboscidate(chiefly zoology) Having, or shaped like, a proboscis.proboscideanAny of various large, herbivorous mammals, of the order Proboscidea, that have a trunk; an elephant.proboscidial(zoology) proboscidateproboscidianAlternative spelling of proboscidean.probosciformHaving the form of a proboscis.probouleuticRelating to the Ancient Greek council, which held preliminary discussions before submitting matters to the general assembly.procachecticThat leads to cachexiaprocainamide(pharmacology) A base of an amide related to procaine (trademark Pronestyl) that is used in the form of its hydrochloride C₁₃H₂₁N₃O·HCl as a cardiac depressant especially in the treatment of ventricular and atrial arrhythmias.procancerousThat promotes the growth of a cancerprocarbazineA particular drug used in chemotherapy.procatabolic(biochemistry) That promotes catabolismprocatarctic(medicine) Descriptive of an existing condition or state that caused, predisposed for or excited a present condition.procathedralA church used in place of a cathedral.procathepsin(biochemistry) Any of a family of proteins that are involved in the production of cathepsinsprocedurally(manner) According to a procedure; following a procedure.procellarian(zoology) Any of a family of oceanic birds (Procellaridae) including the petrels, fulmars, and shearwaters.procellariid(zoology) Any seabird in the family Procellariidae, such as fulmars, petrels, prions and shearwaters.procentriole(biology) The early developmental stage of a centriole or basal body.proceptivelyIn a proceptive mannerproceptivityBehaviour that leads to copulation and thus conceptionprocerithiid(zoology) Any gastropod in the family Procerithiidae.processionalOf, pertaining to, or used during a procession, particularly at the start of a religious ceremony or wedding.processionerOne who takes part in a procession.processivelyIn a processive manner; progressivelyprocessivity(genetics) A measure of the average number of nucleotides added by a DNA polymerase enzyme per association/disassociation with the template.processology(sometimes derogatory) A focus on the specific details of a process rather than its overarching aims and outcomes.processuallyIn a processual manner.prochirality(chemistry) The property exhibited by a prochiral molecule or other entity; protostereoisomerism.prochitinase(biochemistry) A compound that promotes the formation of a chitinaseprochoanitic(anatomy) That points forward.prochorionicRelating to a prochorion.proclamationA statement which is proclaimed; formal a public announcement.proclamatoryIn the manner of a proclamation.proclinationForward inclination, especially of the teeth.proclivitiesplural of proclivityprocoagulant(biochemistry) Any of various precursors of the blood factors necessary for coagulationprocognitive(medicine) Describing a drug that reduces mental confusion, disorientation or deliriumprocommunismA political stance in favour of communism.procommunistIn favour of communism.proconsularyArchaic form of proconsular.proconsulate(historical) The office of a proconsul.proconvertinAn enzyme of the serine protease class.procreatress(literary) A female procreator.procrusculum(zoology) The ambulatory buds of rediae.proctoclysisAn enema for purposes of rehydration; delivery of fluids via the rectum.proctodaeumsplural of proctodaeumproctodeallyIn a proctodeal manner or direction.proctography(medicine) diagnostic imaging of the colon, rectum and anusproctologistA doctor specializing in the colon, rectum, and anus; an expert in proctology.proctoriallyIn a proctorial manner.proctoscopicRelating to proctoscopy.proctotrupid(zoology) Any of the family Proctotrupidae of wasps.procuratressA female procurator.procurementsplural of procurementprocuticularRelating to a procuticleprocyclidine(pharmacology) An anticholinergic drug mainly used to treat drug-induced parkinsonism, akathisia and acute dystonia.prodefendantIn favour of the defendant in a legal case.prodemocracyAlternative form of pro-democracy (“in favor of democracy”).prodigalness(rare) The quality of being prodigal; prodigality.prodigiosityprodigiousnessprodigiouslyIn a prodigious manner; astonishingly, enormously, impressively, wonderfully.proditomania(rare, obsolete) A phobia that others are conspiring against one.proditorious(obsolete) Treacherous, traitorous.produceorial(film, theater) Of or pertaining to a producer; concerned with productionproducershipThe state or business of a producer.productionalof or pertaining to productionproductivelyIn a productive manner.productivismThe belief that measurable economic productivity is the purpose of human organization.productivistOf or pertaining to productivism.productivityThe state of being productive, fertile, or efficient.productivize(transitive) To render productive.prodynorphin(biochemistry) An opioid polypeptide hormone involved with chemical signal transduction and cell communication.proembryonalAlternative form of proembryonic.proembryonic(botany) Relating to a proembryoproendocrineRelating to the production of endocrine secretions.proenzymaticRelating to proenzymesproepilepticThat promotes an episode of epilepsyproepithelin(biochemistry) A growth factor and regulator of proliferation, that is converted to epithelinsproeutectoidThat forms (on cooling) above the eutectoid temperatureprofectionalOf or relating to profection.professionalshowing the skill, conduct, or standards expected in a professionprofessorateAlternative form of professoriate.professordomThe realm or sphere of professors; professors, collectively.professoress(archaic) A female professor.professorialOf, relating to, or characteristic of a professor or professors, or of a professorship or professorships.professoriatAlternative form of professoriate (“professors in general”).professorine(rare, dated) A female professor.professorishCharacteristic of a professor.proficientlyIn a proficient manner.proficuouslyIn a proficuous manner.profilaggrin(biochemistry) A polymeric precursor of filaggrin present in keratohyalin granules in cells of the stratum granulosum.profilographAn instrument for automatically recording the profile of the ground it traverses.profilometerA device designed to measure the profile, and hence the roughness, of a surface.profilometryThe use of a technique in the measurement and profiling of an object.profiteeringpresent participle and gerund of profiteerprofiterolesplural of profiteroleprofitlesslyIn a profitless manner.profitmakingThat makes a profit; profitable.profitmongerAlternative form of profit monger.profligaciesplural of profligacyprofligatelyIn a profligate manner.profligationLicentiousness; lewd behavior.profligatoryTending to or encouraging wastefulness.profoundnessThe quality of being profound; profundityprofundicate(rare) To make profound; to make a concept unnecessarily complicated.profunditiesplural of profundityprofunditude(obsolete) profundityprogenitallyIn progenital terms.progenitressa female progenitorprogeoglycanMisspelling of proteoglycan.progestagensplural of progestagenprogesterone(biochemistry, steroids, countable) A synthetic version of the compound, used in contraceptive pills and other pharmaceutical products.progestogensplural of progestogenproglottidesplural of proglottisprognatheousMisspelling of prognathous.prognosticalAlternative form of prognostic.progradation(geology) The growth of a river delta farther out into the sea over time, as it gains more sedimentprogrammableCapable of being programmed.programmablyIn a programmable mannerprogrammaticOf, relating to, or using a step-by-step program—especially a computer program.progredienceThe quality of being progredient.progrediencyThe quality of being progredient.progressableAlternative form of progressible.progressibleCapable of being progressed.progressivesplural of progressiveprogresslessdevoid of progressprogymnasiumA German classical school without the higher classes; a school preparatory to a gymnasium.progymnasticRelating to the progymnasmata.prohaemocyteAlternative form of prohemocyte.prohemocyticRelating to prohemocytesprohemolysin(biochemistry) A precursor of hemolysinproheptazine(pharmacology) A particular narcotic painkiller.proherbicideA natural product that may be used commercially as a herbicideprohibitableCapable of being prohibited.prohibitionsplural of prohibitionproictogenicThat leads to ictogenesisproinhibitor(biochemistry) Any substance that initiates inhibitionproisocortex(neuroanatomy) An area of the neocortexprojectinglyIn a projecting way.projectionalOf or relating to projection.projectivelyIn a projective way.projectivism(philosophy) A philosophy in which the qualities of an object are 'projected' onto it as though they actually belong to it.projectivistRelating to projectivism.projectivity(mathematics) The condition of being projective.prokineticin(biochemistry) Any of a family of secreted proteins that contract gastrointestinal smooth muscleprolactinomaA benign tumour (adenoma) of the pituitary gland.prolaterallyIn a prolateral manner or directionprolegomenonA prefatory discussion; a formal essay or critical discussion serving to introduce and interpret an extended work.proletairismAlternative form of proletarism.proletaneous(rare) Having numerous offspring.proletariansplural of proletarianproletariateAlternative spelling of proletariat.proliferatedsimple past and past participle of proliferateproliferatesthird-person singular simple present indicative of proliferateproliferatorAny agent that causes proliferation.prolificallyIn a prolific manner, or to a prolific extent; abundantly.prolificnessThe condition of being prolific.proligestone(pharmacology) A steroidal progestin.prolineamide(organic chemistry) The amide of the amino acid prolineprolipogenicThat promotes lipogenesisproliposomalRelating to proliposomes.prolocutress(rare) Synonym of prolocutrix.prologomenonMisspelling of prolegomenon.prologuelikeResembling or characteristic of a prologue.prolongationThe act of prolonging.prolongevityThat extends lifeprolonginglySo as to prolong or lengthen.prolotherapyThe injection of an otherwise non-pharmacological and non-active irritant solution into the body, generally in the region of tendons or ligaments for the purpose of strengthening weakened connective tissue and alleviating musculoskeletal pain.proluciferin(biochemistry) That promotes the formation of luciferinpromalignantThat causes, or leads to malignancypromarijuanaIn favor of, or supporting the use of, marijuana.promastigote(biology) A stage in unicellular life-cycle, typically trypanosomes, where the flagellum is anterior of the nucleus, and free from the cell body.promastocyte(cytology) A form of mast cellpromaxillaryAt the front of the jawbonepromegestone(pharmacology) A norsteroid progestogen.promesonotal(anatomy) Relating to the promesonotumpromesonotum(zoology) The front part of the mesonotum of ants and similar insectspromestriene(pharmacology) An estrogen.prometaphase(biology) The stage between prophase and metaphase in mitosispromethazine(pharmacology) A first-generation H₁ receptor antagonist derived from phenothiazine, used as antihistamine and antiemetic medication with strong sedative effects.promicrobialThat encourages the growth of microbespromigratory(biology) Promoting migration.promissorilyIn a promissory manner.promitogenicThat promotes mitosispromonocyticOf or pertaining to a promonocytepromontorialRelating to a promontorypromontoriedHaving a promontory.promontoriesplural of promontorypromontoriumSynonym of promontory.promoterless(genetics) Without a promoter (type of DNA section).promotorlessLacking a promotorpromulgatingpresent participle and gerund of promulgatepromulgationThe act of promulgating or announcing something, especially a proclamation announcing a new law.promulgatorsplural of promulgatorpromulgatoryPertaining to promulgation.promuscidateHaving a promuscis.promutagenicThat promotes mutagenesispromyelocyteA granulocyte precursor, developing from the myeloblast and developing into the myelocyte.pronephritic(anatomy) That leads to the kidneysproneuromastThe collection of cells that develops to form a neuromastpronilfactor(mathematics) An ergodic nilspace X/R(X) such that there exists an element x of X and a homomorphism H such that (H,X) is a nilsystem.pronominally(linguistics) In a pronominal manner; as a pronoun.pronouncedlyIn a pronounced manner; markedly, distinctively.pronounciate(nonstandard, chiefly humorous) To pronounce.pronucleatedAlternative form of pronucleate.pronunciablepronounceablepronunciatorSomeone who pronounces; a pronouncer.pronuntiatioOne of the five canons of classical rhetoric: the discipline of delivering speeches.proofreadersplural of proofreaderproofreadingpresent participle and gerund of proofreadprooncogenicThat precedes or leads to oncogenesisprooxidativeThat promotes the production of oxidative free radicalspropacetamolA prodrug form of paracetamol.propaedeutic(formal, of education) Preparatory or introductory.propagandingPromoting propaganda; influencing or affecting by propaganda.propagandiseAlternative form of propagandize.propagandismThe use of propaganda.propagandistA person who disseminates propaganda.propagandize(intransitive) To use or spread propaganda.propagandousCharacterized by propaganda.propagatableSynonym of propagable.propagationsplural of propagationpropagatress(archaic) A female propagator.propanethial(organic chemistry) The thial CH₃-CH₂-CH=Spropanocaine(pharmacology) An anesthetic drug.propanolysis(organic chemistry) alcoholysis using propanolproparacaine(medicine) A topical ophthalmic anesthetic 2-(diethylamino)ethyl 3-amino-4-propoxybenzoatepropargylate(organic chemistry) Any salt or ester of propargylic acidpropensenessAlternative spelling of propensenesse.propensitiesplural of propensitypropensitude(obsolete or regional) Alternative form of propensity.propeptidase(biochemistry) A peptidase proenzymeproperispomeproperispomenonpropertarianOne who endorses propertarianism.propertylessWithout property—things owned.propetandrolAn anabolic steroid.prophanationObsolete form of profanation.prophanenessObsolete spelling of profaneness.propheromoneA compound that develops into a pheromoneprophesiableCapable of being prophesied.prophetessesplural of prophetesspropheticismThe role, status, or work of a prophet.prophragmataplural of prophragmaprophylacticA medicine which preserves or defends against disease; a preventive.propiconazolAlternative form of propiconazole.propiomazineAn antihistamine that blocks H1 receptors, used to treat insomnia and to produce sleepiness or drowsiness e.g. before surgery.propionamide(organic chemistry) The amide of propionic acid.propionitrilArchaic form of propionitrile.propionylate(organic chemistry) To react with propionic acid or one of its derivatives; to introduce one or more propionyl groups into a substance.propipocaine(pharmacology) An anesthetic drug.propitiatingpresent participle and gerund of propitiatepropitiationThe act of propitiating; placation, atonement, similar to expiation but also involving the appeasement of anger.propitiativeServing to, or intended to, propitiate; propitiatory, reconciliatorypropitiatoryIntended to propitiate, reconcile, expiate or appease; conciliatory.propitiouslyIn a propitious manner.proplaintiffIn favour of the plaintiff in a legal case.proplanetaryOf or pertaining to the early stages in the formation of a planet.proplateletsplural of proplateletpropogandistMisspelling of propagandist.proportionalOf a typeface, having characters with natural (non-uniform) width (in contrast to monospace typefaces).proportionedHaving a proportion.proportionerA basic pumping unit consisting of two positive displacement pumps designed to dispense two components at a precisely controlled ratio.propositionsplural of propositionpropoundmentThe act of propounding.propoxycaine(pharmacology) A local anesthetic.propoxypheneDextropropoxyphene.propranololsplural of propranololproprietress(dated) A female proprietor.propriomotor(physiology) proprioceptive and motorproprochiral(chemistry) Describing an achiral compound that can be converted to a chiral one in two stepspropsychoticThat promotes psychosis.propterygialRelating to the propterygium.propterygium(anatomy) The anterior of three principal cartilages in the fins of some fishes.propugnation(obsolete) means of defence; defencepropulsatile(medicine) Serving to force the contents to move in a rapid outflow.propulsation(obsolete) The act of driving away or repelling; a keeping at a distance.propulsatoryTending to propel.propulsivelyIn a propulsive way.propyliodone(pharmacology) A molecule used as a contrast medium.proquinolateAn antimicrobial solution.prorectorateThe office or position of prorector.proresolvingThat promotes resolutionprorogationsplural of prorogationproroguementThe act of proroguing; a prolongation or extension.prorubricyteA red blood cell precursor, the third nucleated stage of red blood cell production.prosaicalityThe quality of being prosaic.prosapogenin(organic chemistry) The aglycone of a saponinprosauropodsplural of prosauropodproscleroticThat leads to sclerosisproscribableCapable of being proscribed.proscriptionA prohibition.proscriptiveproscribing or prohibiting, for example as according to a norm or standardprosecretoryThat leads to secretionprosectorialOf or relating to a prosector.prosecutableAble to be prosecuted.prosecutably(very rare) In a prosecutable manner.prosecutionsplural of prosecutionproselyticalAlternative form of proselytic.proselytisedsimple past and past participle of proselytiseproselytiserNon-Oxford British English standard spelling of proselytizer.proselytizedsimple past and past participle of proselytizeproselytizerAgent noun of proselytize; one who proselytizes.proselytizesthird-person singular simple present indicative of proselytizeprosenchymalRelating to the prosenchyma.prosenescent(biology) Promoting senescence.prosocialistSupporting or in favour of socialism.prosocialityThe quality of being prosocial.prosodicallyIn a prosodic manner.prosonomasia(rhetoric) An allusion to the similarity of sound of several names or words.prosopolepsya premature opinion or prejudice against a person, formed from external appearanceprosopopesis(parapsychology, rare) A sudden and profound change of an individual's personality, whether spontaneous or induced e.g. in hypnosis.prosopopoeia(rhetoric) An act of personifying a person or object when communicating to an audience; a figure of speech involving this.prosopopoeicRelating to prosopopoeiaprospectlessWithout prospects; futureless.prospectusesplural of prospectusprosperinglySo as to prosper; in a prosperous way.prosperouslyIn a prosperous manner; so as to prosper.prostacyclin(organic chemistry) A prostaglandin produced in the walls of blood vessels; it acts as a vasodilator and inhibits the aggregation of plateletsprostasphereA spherical cluster of prostate cancer cellsprostatosomeAlternative form of prostasome.prostatotomy(surgery) An operation to remove the prostate.prostegostomThe anteriormost section of the stegostom, sometimes fused with the mesostegostom.prosthetistsplural of prosthetistprostibulous(obsolete) Of or relating to prostitutes or prostitution; meretricious.prostigmaticRelating to the prostigmatidsprostigmatidAny mite of the suborder Prostigmataprostitutingpresent participle and gerund of prostituteprostitutionEngaging in sexual activity with another person for pay.prostokvashaA thick soured milk product, similar to unsweetened yogurt but less sour, or kefir but thicker. In Russia or other former USSR republics, commercial and home-made prostokvasha comes in different varieties: "varenets" (варене́ц), "ryazhenka" (ря́женка), katyk/qatıq (каты́к), etc.prostrationsplural of prostrationprosyllogism(logic) A syllogism that is preliminary or logically essential to another syllogism.protacrodontAny extinct shark of the order Protacrodontiformesprotactinate(inorganic chemistry) Any oxyanion of protactinium; any salt containing such an anion.protactiniumA chemical element (symbol Pa) with atomic number 91. A dense, silvery-gray actinide metal.protagonistsplural of protagonistprotaminatedsimple past and past participle of protaminateprotarsomereAn anterior tarsomereproteaginousRich in proteinprotectinglyprotectively; in a protective manner.protectionalOf or relating to protection.protectivelyIn a protective manner.protectivityThe state, quality, or condition of being protective.protectorate(UK, historical) The office or position of the Lord Protector of the Commonwealth.protectorialAlternative form of protectoral.protectorian(archaic) Synonym of protectoral.protectoriesplural of protectoryprotectotypeA serovar that provides protection from other serotypesproteinogramA graphical representation of the proteins present in a sampleproteinomics(biochemistry) The identification of the totality of the proteins in an organismprotensivelyIn a protensive fashion.protentionalOf or pertaining to protentionproteogenomeA proteomic genomeproteoglucanAny proteoglycan in which the sugar moiety is glucoseproteoglycan(biochemistry) Any of many glycoproteins that have heteropolysaccharide side chainsproteolipidsplural of proteolipidproteometricRelating to the measurement of proteins, especially of the foldsproteomewideThroughout a proteomeproteomicistA scientist whose speciality is proteomicsproteopathicRelating to proteopathyproteostasis(biochemistry) eukaryotic protein homeostasisproteostaticRelating to proteostasisproterandricAlternative form of proterandrous.proterguride(pharmacology) A dopamine agonist derived from ergoline.proteroglyphAny proteroglyphous snake.protestationA formal solemn objection or other declaration.protestatoryBeing or relating to a protest against something.protestinglyunwillingly, with protestsprothalamion(literary) A song or poem in honour of a bride and bridegroom about to be married.prothalamiumAlternative form of prothalamion.prothetelousExhibiting prothetely; prothetelicprotheticianArchaic form of prosthetician.prothipendylAn antipsychotic drug.prothonotary(Greek Orthodoxy, historical) The chief secretary of the patriarch of Constantinople.prothymocyte(cytology) A precursor of a thymocyteprothyrocyte(cytology) The precursor of a differentiated thyrocyteprotionamideA drug used in the treatment of tuberculosis.protistology(biology) The scientific study of protists.protoandrousAlternative form of protandrous.protobiologyThe early study of biology, before it became a rigorous established discipline.protobionticRelating to protobiontsprotobiosideA particular steroid glycoside.protobromide(inorganic chemistry) Any of a series of bromides of a particular metal that has the fewest atoms of bromine per moleculeprotocarbide(inorganic chemistry) Any of a series of carbides of a particular metal that has the fewest atoms of carbon per moleculeprotoceratid(zoology) Any in the family †Protoceratidae of extinct artiodactyls.protochemistAn early chemist; a practitioner of protochemistry.protocitizenA person whose social status is an early approximation to the later idea of a citizen.protocluster(astronomy) A group of galaxies that are beginning to form a clusterprotococcoidRelating to or characteristic of algae of the genus Protococcus.protocollaryOf or pertaining to protocol.protocollistAlternative form of protocolist.protoconchalOf or pertaining to a protoconch.protocristidAn enamel ridge that joins the metaconid and the protoconid of a mandibular molarprotoculture(physical anthropology) The passing of behaviours from one generation to another among non-human primates. These cultures are very rudimentary, and do not exhibit complex cultural technology.protocyanide(inorganic chemistry) Any of a series of cyanides of a particular metal that has the fewest cyanide groups per moleculeprotodioscinA steroidal saponin compound found in a number of plant species.protoethicalRelating to protoethics.protofascism(politics) Any political system that is showing the beginnings of fascism.protofascist(politics) Showing the beginnings of fascism.protofeather(paleontology) The hypothetical precursors of bird feathers, believed to have been grown by certain dinosaurs.protogastricThat covers the gastric area of brachyuran crabsprotogrammarA rudimentary grammar.protohistory(archaeology, history) The period between prehistory and history, during which a culture or civilization has not yet developed writing, but other cultures have already noted its existence in their own writings.protohominidAny of several primitive animals that were evolutionary ancestors of the hominids.protolactealDescribing the secretion of the mammary glands of primitive mammalsprotolexiconThe lexicon of a protolanguageprotoliberalSimilar to liberalism, but before its establishment.protolingualOf or relating to proto-language.protologicalOf or relating to protology.protologismsplural of protologismprotolophule(dentistry) A small crest in the paraflexus, connected to the protocone.protomartyrsplural of protomartyrprotomorphicHaving the most primitive character; in the earliest form of stage.protonatableAble to be protonatedprotoncogeneAlternative form of protooncogene.protonematalRelating to protonemata.protonitrate(chemistry) A compound of nitric acid with the protoxide of a metal.protonmotive(chemistry) Of or pertaining to the ability to transport protons.protonolysis(chemistry) The breakup of a molecule following protonationprotonolyticRelating to, or causing protonolysisprotonophore(biology) Any ionophore that transports protonsprotonymphalRelating to a protonymphprotonymphon(biology) The larva of a sea spiderprotophysicsThe early study of physics, before it became a rigorous established discipline.protoplasmal(cytology) Of or relating to protoplasm.protoplasmic(cytology) Of or relating to protoplasm.protoplasted(biology) Whose protoplast has been regenerated or transformedprotoplasticof or relating to protoplastprotoplastid(biology) An immature plastid that is incapable of photosynthesisprotopoditicRelating to a protopodite.protopsaltis(Christianity) The cantor in charge of the music for a service of the Byzantine Rite.protoscienceAn unscientific or pseudoscientific field of study which later becomes or spawns a science (e.g., astrology led to astronomy, alchemy led to chemistry, and, most generally, natural philosophy led to science).protosinusidAny weevil of the genus Protosinusprotosirenid(zoology) Any extinct mammal in the family Protosirenidae.protosolvent(chemistry) Any protonated solvent (containing hydrogen atoms), especially when residually present during NMR spectroscopyprotospeciesA preexisting type of species from which other species evolved.protosteliidAny slime mould of the order Protosteliidaprotostellar(astronomy) Of or pertaining to a protostar.protosteloidRelating to the protostelidsprotostomianOf or pertaining to the protostomesprotostomousOf or pertaining to a protostomeprotosuchianAny crocodyliform of the clade Protosuchiaprotosulfide(inorganic chemistry) Any of a series of sulfides of a particular metal that has the fewest atoms of sulfur per moleculeprotosynapseAn evolutionary precursor of the synapseprototheorid(zoology) Any moth in the family Prototheoridae.prototherial(of mammals) Belonging to the taxonomic subclass Prototheria.prototherianBelonging or pertaining to the subclass Prototheria.prototrochalRelating to a prototrochprototrophic(biology) Of or pertaining to a prototroph or to prototrophy.prototypableAble to be prototyped.prototypicalConstituting or representing an original type of something that others are modelled on or derived from.protowritingAny of the early systems of symbols that developed into writing.protozoologyThe study of protozoa.protractableAble to be protracted or extended.protractedlyIn a protracted mannerprotractibleAble to be protracted or extended.protreptical(obsolete) Adapted to persuade; hortatory; persuasive.protruberantMisspelling of protuberant.protrusionalRelating to, or having the form of a protrusionprotrusivelyIn a protrusive manner.protuberanceA bulge, knob, swelling, spine, or anything that protrudes.protuberancyThe quality or state of being protuberant.protuberatedsimple past and past participle of protuberateprotuberatesthird-person singular simple present indicative of protuberateproudfulness(nonstandard) The state, quality, or condition of being proudful.provablenessThe quality of being provable.proveabilityAlternative spelling of provability.provenantialPertaining to the provenance of something.proveniencesplural of provenienceproventricle(zoology) proventriculusproverbiallyIn a manner that uses proverbs; in or according to proverbs.providentialPertaining to divine providence.providershipThe status of being a provider.provincehood(Canada) The status of being a province.provincewidethroughout a provinceprovinciallyIn a provincial way.provirophageA virophage of a provirus.provisionalsplural of provisionalprovisioningpresent participle and gerund of provisionprovisorshipThe office or position of a provisor.provitaminicRelating to provitaminsproviverrineAny of the hyaenodontid subfamily †Proviverrinae of extinct mammals.provocateursplural of provocateurprovocateuseA female provocateur.provocationsplural of provocationprovocativesplural of provocativeprovocatrice(rare) A female provocateur.provostorialPertaining to a provost.provostshipsplural of provostshipprovulgationThe act of publishing, making known, promulgation.prowhitenessThe support or favoring of white people.proximalmost(anatomy) most proximalproximitizedBrought into proximityproximobasalproximal and basalproxiredoxinMisspelling of peroxiredoxin.prucalopride(pharmacology) A drug used to treat chronic constipation.prudentiallyIn a prudential manner.pruinescenceSynonym of pruinosity.pruninghooksplural of pruninghookpruriceptionThe sensation of itchingpruriceptiveRelating to, or causing itchingpruritogenicThat causes pruritus (an itching sensation).psalmographyThe act or practice of writing psalms.psammobioticLiving exclusively in sandy environments.psammomatoidResembling a psammoma.psammomatous(medicine) Of or pertaining to psammomaspsammophilicThriving in sandy environments but also found in other environments.psammophobic(biology) Synonym of psammoxenic.psephocraticOf or relating to psephocracy.psephologistAn expert in psephology.pseudanthium(botany) An inflorescence that looks and functions as if it were a single flower.pseudizationThe calculation of a pseudopotentialpseudoacaciaSynonym of black locust (“tree”), robiniapseudoacinarResembling the form of an acinuspseudoacinusA disrupted or distorted form of an acinuspseudoactiveApparently, but not truly, active.pseudoaddict(medicine) A person suffering from pseudoaddiction.pseudoaerialApparently aerialpseudoainhumAmniotic band constriction: a congenital disorder caused by entrapment of fetal parts (usually a limb or digits) in fibrous amniotic bands while in utero.pseudoalbinoAn animal that has pseudoalbinismpseudoallele(genetics) Either of the two genes involved in pseudoallelism.pseudoanemia(biology, medicine) Any of various states that may be mistaken for anemia, which usually fall into the classes of (a) hemodilution that is physiologic rather than pathologic and (b) pallor of mucous membranes with nonanemic causes.pseudoanemicAffected by or relating to pseudoanemia.pseudoannualHaving the appearance of something that occurs annually but not following a strictly annual pattern.pseudoatomicAlmost at the atomic scalepseudoazurin(biochemistry) Synonym of cupredoxin.pseudobezoarAn indigestible object intentionally introduced into the digestive system.pseudobinary(physics) describing a system of two entities, at least one of which is itself binary (or more complex)pseudobranchpseudobranchiapseudobulbar(pathology) That is similar to effects related to the brainstem.pseudocanineResembling a canine tooth without being a true canine tooth.pseudocastle(rare) A building designed to resemble a castle.pseudocellarRelating to arachnids of the genus PseudocelluspseudocellusA small pore (possibly a simple eye) on the head of a proturan.pseudocerealAny plant that, although not belonging to the grass family, produces seeds that are used to make flour.pseudochiralRelating to, or exhibiting pseudochiralitypseudochitinSynonym of tectin.pseudochoiceAlternative spelling of pseudo-choice.pseudochrome(often attributive) An audio cassette tape formulation similar to ferricobalt, and not containing chromium.pseudocircle(mathematics) The finite topological space X consisting of four distinct points { a, b, c, d } with the non-Hausdorff topology a,b,c,d,a,b,c,a,b,d,a,b,a,b,∅.pseudococcid(zoology) Any mealybug in the family Pseudococcidae.pseudococcusAny pseudococcid of the genus Pseudococcuspseudocoding(computing) The expression of an algorithm in pseudocode.pseudocoelia(anatomy, dated) The fifth ventricle in the mammalian brain.pseudocoelomSynonym of pseudocoel.pseudocoelumMisspelling of pseudocoelom.pseudocolony(biology) A cluster of living things (cells, people, etc.) that has only some of the characteristics of a colonypseudocolourAn arbitrary colour assigned to each gray level of a monochrome image; used especially in thermographypseudocolumn(databases) A column that yields a value when selected, but is not an actual column of the table.pseudoconoidA coiled collection of microtubules in some flagellatespseudoconvex(mathematics) Of a function: differentiable and increasing in any direction where it has a positive directional derivative.pseudocopulaSynonym of semicopula.pseudocowpoxA viral disease of cattle, whose symptoms include ring or horseshoe scabs on the teats.pseudocrater(geology) A volcanic landform formed by wet land being cooled by hot flowing lava.pseudocumene(organic chemistry) An isomer of cumene, 1,2,4-trimethylbenzene.pseudocyclic(biochemistry) Describing a variant of the cyclic photophosphorylation process of photosynthesis in which molecular oxygen replaces one of the other moieties in part of the cyclepseudocyesisA false pregnancy: the appearance of signs and symptoms associated with pregnancy when the person or animal is not pregnant.pseudocystic(medicine) Of or relating to a pseudocyst; resembling a cyst.pseudodebateSomething presented as a debate in which there is no real disagreement.pseudodentalApparently, but not actually, dental.pseudodevice(computing) An entry in a file system that acts like a physical device without having the corresponding hardware.pseudodragon(fantasy) A small dragon-like creature, not a true dragon.pseudoembryoAlternative form of pseudembryo.pseudoenergy(physics) The sum of potential energy and kinetic energy of a systempseudoenzyme(biochemistry) Any protein that has some biochemical function but is not a true enzymepseudoeroticApparently, but not actually, erotic.pseudoeventsplural of pseudoeventpseudofactinA particular biosurfactant obtained from Pseudomonas fluorescens. It is a novel cyclic lipopeptide biosurfactant. As a surface-active compound it has potential to be broadly used in medicine (anti-cancer and anti-bacterial properties), cosmetics and industry.pseudofaecalOf or relating to pseudofaeces.pseudofaeces(biology) Particles rejected by a mollusk as unsuitable for food and expelled without passing through the digestive tract.pseudofamousApparently, but not actually, famous.pseudofinite(mathematics) Of a field: both quasi-finite (perfect with a unique extension of every positive degree) and pseudo algebraically closed (every absolutely irreducible variety over the field has a point defined over the field).pseudoflowerAn inflorescence produced on a fungus by a pathogen in order to facilitate transmission of spores by insectspseudoforest(graph theory) an undirected graph in which every connected component has at most one cyclepseudoformalAttempting to be formal, but not actually doing so.pseudofossilAny object, marking or impression that resembles a fossil but whose origin is non-biological.pseudofungusAny chromist of the phylum PseudofungipseudofusionThe situation in which the heart rate becomes indistinguishable from that of an implanted pacemakerpseudogalena(obsolete, mineralogy) sphalerite.pseudogamousRelating to, or exhibiting, pseudogamy.pseudogappedHaving a pseudogappseudogenize(genetics) To convert a gene into a pseudogenepseudogenome(genetics) A collection of genes that is only an incomplete genomepseudogenous(genetics) Relating to a pseudogenuspseudoglioma(pathology) inflammation of the eye that resembles glioma of the retinapseudoglobalNot quite global, but pertaining to almost everything.pseudogothic(literature, architecture) sham-GothicpseudographyIncorrect spelling.pseudogynousPertaining to or characteristic of a pseudogyne.pseudohaemalRelating to the vascular system of annelids.pseudohalide(chemistry) A chemical compound that is not a halide, but which resembles a halide in its charge and reactivity.pseudohandle(programming) A special value that can be treated as a handle (e.g. to identify a process) but is not a true handle.pseudoheader(Internet) A simplified header used in the TCP and UDP protocols in order to calculate a checksum.pseudoherniaAn abdominal wall bulge that may be mistaken for a hernia.pseudoheroicApparently, but not actually, heroic.pseudohyphalRelating to pseudohyphaepseudoincestSexual involvement between family members who are not blood relations (e.g., siblings by adoption, stepparents and stepchildren, in-laws).pseudoisomer(chemistry) A metastable isomer that is in equilibrium with anotherpseudojasper(mineralogy, dated) A rock that resembles, but is not, jasperpseudokidneyA reniform intussusception visible in the imaging of some colon cancerspseudokinase(biochemistry) A protein containing a catalytically inactive kinase domain.pseudolabium(zoology) (of Spirurida nematodes) Any of the folds of tissue at the opening of the vulva.pseudolesionA condition that appears to be a lesion but is, in fact, a developmental abnormality.pseudoletterA sign or symbol that has the characteristics of a letter but is not found in any alphabet.pseudoligand(biochemistry) A charged ligand associated with a solventpseudolinear(mathematics) Both pseudoconvex and pseudoconcave.pseudolobule(pathology) A structure, resembling a lobule, found in hepatic fibrosis.pseudologiseAlternative form of pseudologize.pseudologistSomeone who says falsehoods; a liar; a pseudologue.pseudologizeTo speak in a pseudological way; to lie.pseudomartyrOne who dies or suffers like a martyr but (e.g. because of heretical religious views) is not a true martyr.pseudomeatus(anatomy) A deep indentation that appears to be an opening of the bodypseudomedian(statistics) A measure of centrality for data sets and populations, which agrees with the median where the data are symmetric.pseudomemoryA false memory, as elicited by hypnosis.pseudomenses(medicine) Blood-tinged vaginal discharge in a female neonate, with an appearance resembling that of menses.pseudometric(mathematics) Describing a generalization of a metric space in which the distance between two distinct points can be zero.pseudomnesia(psychology) A false memorypseudomodernApparently, but not actually, modern.pseudomodestApparently, but not actually, modest.pseudomoment(mathematics) A numerical entity that combines the properties of moments and metricspseudomonadsplural of pseudomonadpseudomonoid(mathematics) A structure similar to a monoid that supports associativity and an identity element, but does not include all the constraints that are required to qualify as a monoid.pseudomorphsplural of pseudomorphpseudomureinSynonym of pseudopeptidoglycan.pseudomutantRelating to, or produced by pseudomutationpseudomyopiaAn intermittent and temporary shift in refraction of the eye towards myopia.pseudomyxoma(pathology) A cancer that has some characteristics of a myxomapseudonation(politics) An entity that falsely purports or is purported to be a nation.pseudonodule(medicine) A benign structure similar to the nodule of a lymphoma.pseudonormalApparently or deceptively, but not actually, normalpseudonumberpseudorandom numberpseudonymiseAlternative spelling of pseudonymize.pseudonymityThe state of being pseudonymous, of hiding one's true identity behind a pseudonym.pseudonymize(computing, law) To depersonalize or anonymize (data); a procedure by which the most identifying fields within a data record are replaced by one or more artificial identifiers, or pseudonyms.pseudonymousOf or pertaining to a pseudonym.pseudopalateA retainer-like plate, lined with electrodes, placed on the roof of the mouth in some forms of palatography.pseudoperiod(mathematics) A solution function that is not technically periodic, but nevertheless displays repetitive behavior.pseudophakiaThe substitution of the natural crystalline lens of the eye with a synthetic lenspseudophakicRelating to pseudophakia.pseudophobiaA purported phobia whose existence is uncorroborated.pseudophobicOf, or pertaining to pseudophobiapseudophorid(zoology) Any extinct gastropod in the family Pseudophoridae.pseudopocketAn illusory periodontal pocket, detectable by probing measurements, but actually caused by gingival hyperplasia.pseudopodialOf or relating to a pseudopod or to pseudopodia.pseudopodianAlternative form of pseudopodial.pseudopodium(cytology) pseudopodpseudopoeticApparently, but not actually, poetic; having a false appearance of poetry.pseudoporousRelating to pseudoporespseudoprefix(linguistics) A word element that looks like a prefix but is not, such as sub- in sublime.pseudoproper(mathematics) Describing any system that has some proper characteristics.pseudoptosis(pathology) A ptosis-like presentation with intact levator palpebrae superioris function.pseudoptoticRelating to pseudoptosis.pseudorabies(veterinary medicine) A highly contagious herpes virus infection that affects the central nervous system of many animals.pseudoracism(rare) Discrimination which is similar to but not necessarily the same as racism, for example because it occurs between castes or between members of the same group.pseudoracist(rare) Pertaining to or exhibiting pseudoracism, discrimination which is similar to racism.pseudorandomOf a sequence of numbers, such that it has all the properties of a random sequence following some probability distribution (except true randomness), but is actually generated using a deterministic algorithm.pseudoreformSupposed reform that does not bring about significant change.pseudorotate(chemistry) To undergo pseudorotationpseudorutile(mineralogy) A mineral form of ferric titanate.pseudosacredApparently, but not actually, sacred.pseudosampleA body of data that is generated (usually by adding random perturbations to actual data), rather than observed.pseudoscalar(physics) A quantity that behaves like a scalar, but changes sign under a parity inversionpseudoscopicOf, pertaining to, or formed by a pseudoscope; appearing with its relief parts reversed.pseudoscutal(anatomy) Of or relating to a pseudoscutum.pseudoscutum(biology) A structure resembling a scutum.pseudosecretA supposed secret that is not actually secret; open secret.pseudoseptumA plate of silica that extends inwards from the apical part of the valve of some diatomspseudosexualApparently but not actually sexual.pseudosheathA structure that resembles a sheath and forms around a tendon graft.pseudosilent(genetics) Apparently, but not actually, silent.pseudosiphonAny structure that has the appearance of the siphon of a molluscpseudosocialApparently, but not actually, social.pseudosphere(geometry) A surface generated by rotating a tractrix about its asymptote; a tractricoidpseudospinor(mathematics, physics) A pseudospin analog of a spinor.pseudosplice(genetics, attributive) A splice that is ignored by the spliceosome.pseudostatus(medicine, informal) Ellipsis of pseudostatus epilepticus.pseudostereo(sometimes attributive) A technique or effect that simulates stereo, in sound or visual imagery.pseudostigmaA pit, in the integument of some mites, which acts as the socket of a sensillumpseudostromaA body in some lichens that resembles a stromapseudosucker(zoology) Any body part that is not a sucker but is used like one.pseudosulcusA groove that has the appearance of a sulcus.pseudotanninAny of a diverse group of low-molecular weight compounds (such as gallic acid) that have some similarities to the tanninspseudotensor(mathematics, physics) A quantity that transforms like a tensor under a proper rotation but gains an additional change of sign under an improper rotation.pseudotetanypseudotetanuspseudotrimerAn apparent trimerpseudotumourAlternative spelling of pseudotumor.pseudotyping(biology) The formation of pseudotypes by the exchange of viral envelope proteinspseudovacuum(physics) A quantum state that has many properties of a vacuumpseudovarium(zoology) The organ in which pseudova are produced.pseudovector(mathematics, physics) A quantity that transforms like a vector under a proper rotation but gains an additional change of sign under an improper rotationpseudoverbal(linguistics) Having some of the characteristics of a verb, though not in fact a verb.pseudovirgin(entomology) A female of certain species that has mated but has not received sperm.pseudovirion(virology) A synthetic viral particle that cannot replicate, used to inject foreign nucleic acid into a cell.pseudovulvalRelating to a pseudovulvapseudoweightThe weight of a pseudocodewordpsilanthropy(theology) The doctrine that Jesus Christ was merely human, i.e. not the son of God.psilopterineAny extinct phorusrhacid of the genus Psilopteruspsilostrophe(botany) Any member of the genus Psilostrophe.psilotaceous(botany, relational) Of or relating to the Psilotaceae.psilotophyte(botany) Any of the whisk ferns, of order Psilotales.psittaciform(zoology) Belonging or relating to the order Psittaciformes of parrots and some other birds.psittacinite(mineralogy) Synonym of mottramite.psittacisticOf or relating to psittacism.psittacosaurAny dinosaur of the family Psittacosauridae; a psittacosaurus.psocopteransplural of psocopteranpsocopterousOf or pertaining to the taxonomic order Psocoptera.psomophagistOne who practises psomophagy.psoriasiform(pathology) Resembling psoriasispsuedophakicMisspelling of pseudophakic.psychanalystAlternative form of psychoanalyst.psychedelicsplural of psychedelicpsychiatricsplural of psychiatricpsychiatriesplural of psychiatrypsychiatriseAlternative form of psychiatrize.psychiatristA medical doctor specializing in psychiatry.psychiatrize(transitive) To make psychiatric; to bring into the realm of psychiatry.psychoactive(pharmacology) Affecting the mind or mental processes.psychobabble(somewhat derogatory) The jargon of psychology and psychoanalysis, especially when used pretentiously to discuss mundane issues.psychobabblyResembling or characteristic of psychobabble.psychobioticOf or relating to both the mind and the body.psychoclinic(rare) A psychologist's clinic.psychocosmicRelating to the inner self (psyche) and the external world (cosmos).psychoeffectA psychological effectpsychoeroticRelating to the mind and the erotic.psychogenderpsychological genderpsychography(parapsychology) The act of a spirit possessing one's physical body in order to write something.psychojargon(rare) psychobabblepsycholepticAny medication that produces a calming effect.psychologeseThe specialised language (or jargon) of psychologypsychologiesplural of psychologypsychologiseAlternative form of psychologize.psychologism(philosophy) The tendency to describe things in psychological or subjective termspsychologistAn expert in the field of psychology.psychologizeTo interpret or analyze in psychological termspsychomentalBoth psychological and mentalpsychometricOf or pertaining to psychometrics.psychomotiveAlternative form of psychomotor.psychomythicRelating to psychomyth.psychoneticsA set of mental approaches for resolving tasks, developed by Oleg Bakhtiyarov.psychonomics(psychology) The branch of psychology that aims to discover strict laws that govern the working of the mind, especially by means of experimentpsychopaedic(New Zealand) Of or relating to the care of the mentally disabled.psychopathicExhibiting the behaviors and personality traits of a psychopath.psychophobia(medicine, rare) A fear of the mind, particularly mental illness, such as dementia.psychophonicOf or relating to psychophony.psychophysicAlternative form of psychophysical.psychopomposAlternative form of psychopomp.psychoscopicRelating to psychoscopy.psychosexualOf or relating to the psychological aspect or aspects of sexuality.psychosocial(of behaviour) Having both psychological and social aspects.psychosonics(rare) psychosonic phenomena collectivelypsychosphereThe realm of consciousness.psychostasia(religion) The weighing of souls, as a form of judgment of people's worth.psychostaticRelating to psychostatics.psychostresspsychological stresspsychotheismThe doctrine that God is pure spirit.psychotheorypsychoanalytic theorypsychoticismA personality pattern typified by aggressiveness and interpersonal hostility.psychotraumapsychological traumapsychotronicOf or pertaining to psychotronics.psychotropic(pharmacology) Affecting the mind or mental processes.psychovisualRelating to the psychology of vision.psychrolutid(zoology) Any member of the family Psychrolutidae; toadfishes.psychrometer(meteorology) Any of several instruments used to measure the relative humidity of the atmosphere; especially a wet-and-dry-bulb hygrometer.psychrometre(rare, nonstandard) Alternative form of psychrometer.psychrometry(meteorology, thermodynamics) Synonym of psychrometrics (“the measurement or study of the physical and thermodynamic properties of the atmosphere and its water vapour”).psychrophileAn organism that can live and thrive at temperatures much lower than normal; a form of extremophile.psychrophoreA refrigerating instrument like a catheter for cooling the urethra.psychrophyte(biology) Any plant that tolerates, or thrives in a cold climate, especially in Arctic or alpine conditionspsychrotroph(biology) An organism adapted to cold.ptaquiloside(organic chemistry) A carcinogenic terpenoid glycoside, found in bracken, that is poisonous to cattle.ptenoglossan(zoology) Any sea snail of the clade Ptenoglossa.ptereleotrid(zoology) Any fish in the family Ptereleotridae, the dartfishes.pteridaceous(botany, relational) Of or relating to the Pteridaceae.pteridomaniaA craze, in 19th-century England, for collecting ferns and for using images of ferns in the decorative artspteridophyteAny plant of the division Pteridophyta, of simple vascular plants that reproduce via spores rather than seeds and that alternate generations of diploid (sporophyte) and haploid (gametophyte or prothallus) forms, the diploid generally being larger and more conspicuous.pteridospermAny of various extinct gymnosperms, of the division Pteridospermatophyta, resembling ferns, but producing seeds instead of sporespterobranchsplural of pterobranchpterocardiacwinglike and present in the cardiac stomachpterocarpous(botany) Having winged fruit.pterochorous(botany, of seeds) Having "wings" that are used for dispersal by the windpterodactylsplural of pterodactylpterographicRelating to pterography.pteronarcyid(zoology) Any stonefly in the family Pteronarcyidae.pteropleural(entomology) Related to the pteropleuron.pteropleuron(entomology) Synonym of anepimeron.pteroptochid(zoology) Any bird in the family Pteroptochidae, a synonym of the Rhinocryptidae; a tapaculo.pterosaurianOf, like, or pertaining to a pterosaur.pterostigmalRelating to a pterostigmapterulaceous(mycology, relational) Of or relating to the Pterulaceae.pterygoideus(anatomy) Alternative form of pterygoid muscle.pterygotioid(paleontology) Any member of the Pterygotioidea superfamily of extinct eurypteridsptilichthyid(zoology) Any fish in the family Ptilichthyidae.ptilodontoidAny of the superfamily †Ptilodontoidea of extinct mammals.ptilogonatid(zoology) Any bird in the family Ptilogonatidae, the silky flycatchers.ptochologistSomeone who specialises in ptochologyptomatropine(archaic) A poisonous atropine-like base found in decomposing meat and fish.ptychaspidid(zoology) Any trilobite in the family Ptychaspididae.ptychodontid(zoology) Any shark in the family Ptychodontidae.ptychography(physics) A technique that aims to solve the diffraction-pattern phase problem by interfering adjacent Bragg reflections coherently and thereby determining their relative phase.ptychonomous(entomology, rare) Having the form of, or relating to, a ptychonome. (Compare tentiform.)ptychopariid(paleontology) Any trilobite of the order Ptychopariida.ptychopterid(zoology) Any member of the Ptychopteridae.ptyctodontidAny placoderm of the order Ptyctodontida.pubelessnessLack of pubic hair.puberulentlyIn a puberulent manner.puberulouslyIn a puberulous manner.publicationsplural of publicationpublicizableCapable of, or suitable for, being publicized.publickationObsolete spelling of publication.publisheress(archaic) A female publisher.pubocapsular(anatomy) Relating to the pubis and capsule.pubocervical(anatomy) Relating to the pubis and the cervixpuboperineal(anatomy) Relating to the pubis and the perineumpuborectalis(anatomy) The group of fibers that form a sling for the rectum, forming part of the levator ani.pubourethral(anatomy) Relating to the pubis and urethra.pubovisceralRelating to, or connecting, the pubis and the viscerapuckhandlingAlternative form of puck-handling.puckstopping(ice hockey) The state of being a goalkeeperpuddingstoneA conglomerate stone consisting of pebbles surrounded by cement.puericultureThe rearing of young children, conceived of as an art or science.pufferfishesplural of pufferfishpugnaciouslyIn an aggressive or combative manner.puissantness(rare) puissance; powerpulcherosine(organic chemistry) A tyrosine trimer, 5-[4-(2-amino-2-carboxyethyl)phenoxy]-3,3'-dityrosine, present in tomato cell wallspulcherriminA bacterial pigment that is an iron chelate of pulcherriminic acidpullulationsplural of pullulationpulmogastricRelating to the lungs and stomach.pulmohepaticAlternative form of hepatopulmonary.pulmonectomy(surgery) Pneumectomy.pulmonicallyBy means of the lungs.pulmonologicAlternative form of pulmonological.pulmonotoxictoxic to the lungspulpectomizeTo carry out a pulpectomypulpiticallyIn a pulpitical manner; in, or suited to, a pulpit.pulplessnessAbsence of pulp.pulsologicalRelating to pulsology.pulsosubtype(biology) A subtype of a pulsotypepulsoximeterAlternative form of pulse oximeter.pulsoximetryAlternative form of pulse oximetry.pulveraceous(botany) Having a fine, powdery surfacepulverisableAlternative form of pulverizable.pulverizableAble to be pulverized.pulverulenceThe state or characteristic of being powdery or dusty.pulvilliformResembling a pulvillus.pumafentrine(organic chemistry) The alkaloid 4-[(4aR,10bS)-9-ethoxy-8-methoxy-2-methyl-3,4,4a,10b-tetrahydro-1H-benzo[c][1,6]naphthyridin-6-yl]-N,N-di(propan-2-yl)benzamide that selectively inhibits phosphodiesterasepumiliotoxinAny of a class of toxins present in the skin of poison dart frogspumpernickelA German sourdough bread made from rye.pumpkinseedsplural of pumpkinseedpunchabilityThe quality of being punchable.punchcutting(typography) The craft of cutting letter punches in steel from which matrices were made in copper for type founding in the letterpress era.punchinellosplural of punchinellopunchpressesplural of punch presspuncticulateAlternative form of punctulate.punctualnesspunctuality; exactnesspunctuatableAble to be punctuated.punctuationsplural of punctuationpunctulationThe quality of being punctulate.puncturationThe act or process of puncturing.puncturelessWithout a puncture.puncturevineAlternative form of puncture vine.punditically(rare) In a punditic manner.punditocracyA group of political pundits or commentators perceived as wielding excessive influence over public opinion and discourse.punishmental(rare) punitivepunitivenessThe state or condition of being punitive.punkahwallah(South Asia) A servant who operates a punkah (type of fan).pupillographAn instrument used in pupillographypupillometerA device used to measure the diameter of the pupil of the eye.pupillometryThe measurement of the diameter of the pupil of the eye.pupillomotorRelating to the movement of the pupil of the eye.pupilographyAlternative form of pupillography.pupilometricRelating to pupilometry.pupinization(historical) The use of the Pupin system to extend the range of long-distance telephone communication.puppeteeringThe art or trade of a puppeteer.puppetmasterAlternative form of puppet master.purblindnessThe state or condition of being purblind.purchaseableAlternative form of purchasable.purchaselessDevoid of grip or purchase.purdahnashinA woman who observes purdah (segregation of the sexes).purfalcamine(organic chemistry) The piperidine derivative [4-[[2-[(4-aminocyclohexyl)amino]-9-(3-fluorophenyl)purin-6-yl]amino]phenyl]-piperidin-1-ylmethanone that inhibits the action of some parasitespurgeabilityCapability of being purged.purificationThe act or process of purifying; the removal of impurities.purificativeHaving power to purify or cleanse.purificatorsplural of purificatorpurificatoryThat purifies; purificativepurinoceptor(biochemistry) Any of a family of plasma membrane substances involved in cellular functions such as vascular reactivity, apoptosis and cytokine secretionpuristicallyIn a puristic manner.puroindoline(biochemistry) Any of a small group of proteins, rich in tryptophan, found only in wheatpurpleheartsplural of purpleheartpurplishnessThe quality of being purplish.purposefullyIn a purposeful (“resolute, determined”) manner: resolutely, determinedly.purpuraceous(rare) Purple-coloured.purpurascentAlternative form of purpurescent.purpurescent(rare) Somewhat purple; tinged with purple.purpuromycinAn antibiotic isolated from Actinoplanes ianthinogenes.pursestringsplural of pursestringpursuitmeterA device for measuring hand-eye coordination, tasking the user with keeping an object in a certain position by means of manual controls.purveyancing(British) The requisitioning of goods and services for royal use.pushoverness(nonce word) The state, quality, or condition of being a pushover.pushscootersplural of pushscooterpusilanimousMisspelling of pusillanimous.pussyfootingpresent participle and gerund of pussyfootpussyfootismA tendency to pussyfoot; excessive timidity or caution.pussyologist(vulgar, humorous, slang, rare) Someone who specializes in knowledge of the vagina.pussywhippedpast participle of pussywhippussywillowsplural of pussywillowpustulationsplural of pustulationputangitangi(New Zealand) Synonym of paradise shelduck.putativenessThe quality of being putative.putinisation(politics, British spelling) The taking over of power utilizing allegedly undemocratic means.putinization(American spelling) Alternative spelling of putinisation.putrefacientOf, pertaining to, or causing putrefaction.putrefactantAny material that causes putrefactionputrefactionRotten material.putrefactiveOf, pertaining to, or causing putrefaction.putrescencesplural of putrescenceputrescentlyIn a putrescent manner.putrifactionObsolete spelling of putrefaction.puzzleheadedHaving the mind full of confused notions.puzzlemasterSomeone who designs or creates puzzles.puzzlingnessThe quality of being puzzling.pycnaspidean(dated, orithology, of birds or their tarsus) Having the posterior side of the tarsus covered with small irregular scales.pycnomorphic(cytology) Having a compact arrangement of stainable partspycnonuclear(nuclear physics) Describing nuclear reactions caused by the density of the reactantspycoerythrinMisspelling of phycoerythrin.pyelographicOf or pertaining to pyelographypygidicranid(zoology) Any earwig in the family Pygidicranidae.pyknocytosis(medicine) The presence of pyknocytes in the blood.pyknocytoticRelating to pyknocytosis.pyknomorphicMisspelling of pycnomorphic.pyloroplasty(surgery) Surgical correction of the pyloruspyodermatousRelating to pyodermatitispyogranulomaA tumour in which polymorphonuclear cells have invaded an inflammation consisting of mononuclear cellspyonephritisAlternative form of pyelonephritis.pyonephrosisAn infection of the renal collecting system, in which pus collects in the renal pelvis and causes distension of the kidney.pyonephroticRelating to pyonephrosis.pyophthalmiaAn infection of pus in the eyepyracarbolidA particular fungicide.pyramidalismThe condition of being pyramidal in form or structure.pyramidalizeTo make pyramidalpyramidellid(zoology) Any gastropod in the family Pyramidellidae.pyramidologyThe study of pyramids (especially the Egyptian pyramids) from a supernatural or new-age perspective, rather than the historical or archaeological viewpoint.pyramidotomy(surgery) cutting of a pyramidal tract (as a treatment for parkinsonism)pyranoindole(organic chemistry) Any of a class of heterocycles composed of a pyran fused to an indolepyranometricOf, pertaining to, or produced by a pyranometerpyranopterin(biochemistry) Any of several enzymatic cofactors containing a pterin coordinated to a metal ion via sulfur atomspyrathiazineA chemical compound, C₁₈H₂₀N₂S.pyrazinamide(organic chemistry, pharmacology) The amide of pyrazinoic acid; a bacteriostatic prodrug, pyrazine-2-carboxamide, used to treat tuberculosis.pyrazolamideAlternative form of pyrazoleamide.pyrazolidine(organic chemistry) A saturated five-membered heterocycle containing three carbon atoms and two nitrogen atomspyrazolinone(organic chemistry) A derivative of a pyrazoline that has a carbonyl group in the ringpyrenomyceteSynonym of sordariomycete.pyrethrozine(organic chemistry) A particular pyrethroidpyretogenousSynonym of pyrogenic.pyrgeometricRelating to the pyrgeometer.pyrgomorphid(entomology) Any grasshopper in the Pyrgomorphidae.pyribenzoximThe herbicide benzophenone O-[2,6-bis(4,6-dimethoxypyrimidin-2-yloxy)benzoyl]oxime.pyridazinone(organic chemistry) The heterocycle 3-hydroxypyridazine or its keto formpyridinamine(organic chemistry) Any of three isomeric amino derivatives of pyridine; many of their derivatives are pharmaceuticalspyridinediyl(organic chemistry, especially in combination) Any diradical derived from pyridinepyridinitrilA particular fungicide.pyridinolineA lysyl derivative of pyridine present in mature bonepyridoindole(organic chemistry) Any of a class of heterocycles composed of a pyridine ring fused to an indolepyridostatin(organic chemistry) The compound 4-(2-aminoethoxy)-N2,N6-bis(4-(2-aminoethoxy)quinolin-2-yl)pyridine-2,6-dicarboxamide that stabilizes the quadruplex form of DNApyridoxamine(biochemistry) A constituent of vitamin B6, essential for the metabolism of starch and amino acids.pyridylamino(organic chemistry, especially in combination) Any pyridyl derivative of an amino grouppyridylidene(organic chemistry) A carbene derived from pyridinepyrimethanilA particular pesticide.pyrimidinone(organic chemistry) Any of several heterocyclic ketones derived from pyrimidine.pyriproxyfenA pyridine-based pesticide effective against a variety of arthropods.pyrithiamineA particular antibiotic that is an analogue of thiamine.pyritiferouscontaining, or yielding pyritespyritization(geology) The hydrothermal process whereby a rock is transformed into a pyrite.pyritohedralHaving the shape of pyrites.pyritohedron(mathematics) An irregular dodecahedron, the faces of which are identical but irregular pentagons.pyroarsenate(chemistry) Any salt of pyroarsenic acid.pyrobelonite(mineralogy) An orthorhombic-dipyramidal dark red mineral containing hydrogen, lead, manganese, oxygen, and vanadium.pyrocatechin(obsolete, organic chemistry) pyrocatecholpyrocatechol(organic chemistry) A dihydric phenol, benzene-1,2-diol, present in some tars.pyrochemical(chemistry) Of, related to, or produced by chemical reactions at elevated temperatures.pyroclasticsplural of pyroclasticpyroclimaticRelating to pyroclimatespyroculturalOf or relating to pyroculture.pyroelectricof, relating to, or exhibiting pyroelectricitypyrogenicity(pathology, chemistry, geology) The condition or extent of being pyrogenic.pyrogeometerAlternative form of pyrgeometer.pyroglobulin(biochemistry) An immunoglobulin that coagulates when heatedpyroglutamicOf or pertaining to pyroglutamic acid or its derivativespyroglutamyl(organic chemistry, especially in combination) The univalent radical derived from pyroglutamic acidpyroglycerin(dated, organic chemistry) nitroglycerin; diglycerolpyrognostics(dated) The characteristics of a substance, especially of a mineral or metal salt, that are revealed by heat, especially by the use of a blowpipe and a charcoal block.pyrographiesplural of pyrographypyroligneousProduced from wood by the action of heat, especially by destructive distillation.pyrolizationSynonym of pyrolysis.pyromagnetic(obsolete) that functions as a result of heat and magnetismpyromaniacalOf or relating to pyromania.pyromelliticOf or pertaining to pyromellitic acid or its derivativespyromorphite(mineralogy) A yellowish-green mineral, a mixed phosphate and chloride of lead with the chemical formula Pb₅(PO₄)₃Cl that is sometimes mined as an ore.pyromorphous(geology, dated, of a mineral, etc.) changing form when heated, especially forming crystalspyronaridine(medicine) A particular antimalarial drugpyronecroticRelating to pyronecrosis.pyrophyllite(mineralogy) A soft, pale aluminosilicate mineral, somewhat resembling talc.pyrosequence(transitive, genetics) To produce by pyrosequencing.pyrosilicate(inorganic chemistry) The silicate anion Si₂O₇⁶⁻; any compound containing this anionpyrosulfuricof, or relating to pyrosulfuric acid or its derivativespyrosulfuryl(inorganic chemistry, in combination) A divalent group -S₂O₅-pyrosulphate(inorganic chemistry, British) Alternative spelling of pyrosulfate.pyrosulphite(inorganic chemistry) The anion S₂O₅²⁻; any salt containing this anionpyrotartaric(chemistry) of, or relating to pyrotartaric acid or its derivativespyrotartrate(organic chemistry) Any salt or ester of pyrotartaric acid.pyrotechnianpyrotechnicianpyrotechnicsThe art and technology of fireworks and related military applications.pyrotechnist(figurative) One who demonstrates a brilliant display, as of rhetoric or wit, or of virtuosity in the performing arts.pyrotungsticof, or relating to pyrotungstic acid or its derivativespyrovaleroneA psychoactive drug, (RS)-1-(4-methylphenyl)-2-(1-pyrrolidinyl)pentan-1-one, used to treat chronic fatigue and as an anorectic. It belongs to the family of substituted cathinones.pyroxmangite(mineralogy) A triclinic-pinacoidal mineral containing iron, manganese, oxygen, and silicon.pyrrhuloxiasplural of pyrrhuloxiapyrrolidinyl(organic chemistry, especially in combination) A radical derived from pyrrolidinepyrrolidonyl(organic chemistry, especially in combination) A univalent radical derived from pyrrolidonepyrromethene(organic chemistry) dipyrrinpythagorizedsimple past and past participle of pythagorizepythogenesis(medicine, obsolete) The production of disease by filth.pythonomorphAny large extinct reptile of the taxon PythonomorphapyxicephalidAny frog of the family Pyxicephalidae

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