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pachycaulous(botany) Relating to a pachycaul; having a thick stem and few branches.pachycladous(botany) Having disproportionately thick stems.pachydermous(botany) Of mosses: having the cells or capsules firm and resistant.pachyostosisA thickening of the bones of the ribs and vertebrae.paddlefishesplural of paddlefishpaddlewheelsplural of paddlewheelpaedodonticsAlternative form of pedodontics.paedogenesis(British spelling, biology) Alternative spelling of pedogenesis (“premature reproduction”).paedophagous(biology) Feeding off eggs or larvae.paeoniaceous(botany, relational) Of or relating to the Paeoniaceae.painlessnessThe quality of being painless.paintingnessThe quality of being painterly.pakodanomics(India, economics, neologism) The economic policies of Narendra Modipalaeodicots(botany) Alternative form of paleodicots.palaeofaeces(Commonwealth) Alternative spelling of paleofeces.palatialnessThe quality of being palatial.paleoartistsplural of paleoartistpaleospecies(taxonomy, paleontology) A species that is derived from the paleontological record; chronospecies.paleotropicsAlternative form of palaeotropics.palinacousisAn auditory form of perseveration: continuing to hear a sound after the physical noise has disappeared.palingenesis(uncountable, also figuratively) Rebirth; regeneration; (countable) an instance of this.palpablenessThe quality of being palpable.palpitationsplural of palpitationpaludicolousThat lives in swamps or marshes.palynodebrisdebris in sediment composed of fossil pollen and other palynomorphspamperednessThe fact or quality of being pampered.pamphleteersplural of pamphleteerpanarteritis(medicine) Inflammation involving all the layers of an artery.panarthritis(medicine) arthritis in all of the jointspancreatitisInflammation of the pancreas.pandanaceous(botany) Of or relating to the plant family Pandanaceae.pandemoniousRelating to, resembling, or characteristic of, a pandemonium.pandemoniumsplural of pandemoniumpandoravirusAny of the genus Pandoravirus of very large viruses that infect amoebas.panelbeatersplural of panelbeaterpaneosteitisA long bone condition in large dogs, manifesting with sudden, otherwise unexplained pain and lameness sometimes shifting from leg to leg.pangastritisinflammation of the entire stomach liningpanniculitisinflammation of the panniculus adiposus, or subcutaneous adipose tissuepanniculosis(medicine) A noninflammatory condition characterised by broad, flat thickening of the subcutaneous tissue.pansclerosisComplete thickening and hardening of the interstitial tissue of a part.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.pansinusitissinusitis that affects all of the paranasal sinusespansteatitisA physiological condition in animals, characterised by inflammation of the body fat.pantlessnessThe state of being pantlesspantophagousEating all kinds of food.paperflowersplural of paperflowerpaperweightsplural of paperweightpapuliferouspimply; covered with papulaepapyriferous(rare) Bearing or producing papyrus.parabronchus(anatomy) Any of very many small air passages ('air capillaries') in the lungs of birdsparacentesesplural of paracentesisparacentesis(surgery) A medical procedure involving needle drainage of fluid from a body cavity, most commonly the abdomen.parachutistsplural of parachutistparacolpitisInflammation of the outer coat of the vagina.paracystitis(pathology) inflammation of the connective tissue surrounding the bladderparadentosisAlternative form of periodentosis.paragnathous(ornithology, archaic) having both mandibles of equal length, with the tips meeting, as in certain birdsparahypnosis(chiefly dated) Any of various forms of disordered sleep.parallelizesthird-person singular simple present indicative of parallelizeparallelless(archaic) Without a parallel or equal; matchless.parametritis(medicine) Inflammation of the parametrium (cellular tissue near the uterus).parametrizesthird-person singular simple present indicative of parametrizeparamoeciumsplural of paramoeciumparamorphous(mineralogy) Synonym of paramorphic.paramyovirusMisspelling of paramyxovirus.paranoidnessThe quality or condition of being paranoid.parapetalous(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.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.parapoxvirusAny of many poxviruses, of the genus Parapoxvirus, that have a spiral coat.parascarosisA disease (typically in horses) caused by roundworms of the genus ParascarisparasiopesisSynonym of paralipsis.parasitemiasplural of parasitemiaparasynapsisThe parallel (side-by-side) conjugation of chromosomesparasyphilis(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.parathleticsAlternative form of para-athletics.parathyroidsplural of parathyroidparatroopersplural of paratrooperparatumorousSynonym of paraneoplastic.parechovirusAny virus of the genus ParechovirusparenchymousAlternative form of parenchymatous.paresthesiasplural of paresthesiaparishionersplural of parishionerparisthmitis(medicine, archaic) tonsillitisparodontitis(pathology) Synonym of periodontitis.parricidious(obsolete) parricidalparrotfishesplural of parrotfishparsimoniousExhibiting parsimony; sparing in the expenditure of money; frugal, possibly to excess.partialitiesplural of partialityparticipantsplural of participantparticipatesthird-person singular simple present indicative of participateparticulatesplural of particulate (“solid or liquid in a subdivided state”).partitionersplural of partitionerpartitivirusAny virus of the family Partitiviridae.partlessnessAbsence of parts.partnershipsplural of partnershipparvalbuminsplural of parvalbuminparviflorous(botany) Having small flowers.parvifolious(botany) Having small leaves.parvovirosis(pathology) Any disease caused by a parvovirusparvovirusesplural of parvoviruspassablenessThe state of being passable.passacagliasplural of passacagliapassiblenessQuality of being passible.passportlessWithout a passport.passwordless(computing) Without a password; not requiring a password.pasteurizersplural of pasteurizerpastlessnessAbsence of a past; lack of history.pastoralistsplural of pastoralistpastoralnessQuality of being pastoral.pastourellesplural of pastourellepasturelandsplural of pasturelandpaternalistsplural of paternalistpaternalnessQuality of being paternal.paternostersplural of paternosterpatheticnessThe state or quality of being pathetic.pathlessnessThe state or condition of being pathless.pathocenosis(pathology, ecology) The study of disease in societiespathogenesesplural of pathogenesispathogenesisThe origin and development of a disease.pathologistsplural of pathologistpathopoiesis(pathology) Synonym of pathogenesis.patriarchessA female patriarch; a woman with the role of patriarch.patriarchiesplural of patriarchypatriclinousAlternative form of patroclinous.patroclinousHaving traits mostly inherited from the male parentpatrologistsplural of patrologistpatroonshipsplural of patroonshippatulousnessThe quality of being patulous.pauciflorous(botany) Having few flowers per inflorescence.pavementlessWithout pavement.pavingstonesplural of pavingstonepawnlessness(rare, chess) Absence of pawns.paxillaceous(mycology, relational) Of or relating to the Paxillaceae.peacefulnessThe state of being peaceful.peacekeepersplural of peacekeeperpeaklessnessAbsence of a peak or peaks.peccadilloesplural of peccadillopectinaceousRelating to pectin.pectinolysis(biochemistry) The biochemical hydrolysis of pectinpeculiarnessThe state or quality of being peculiar.pedaliaceous(botany, relational) Of or relating to the Pedaliaceae.pedanticness(rare) Synonym of pedantry.pedigreelessWithout a pedigree.pedodontistsplural of pedodontistpedophiliacsplural of pedophiliacpeerlessnessThe state or condition of being peerless, of having no equal.pellucidnesstransparency; lucidity; claritypelviectasis(medicine) Dilatation of the renal pelvis.penetrationsplural of penetrationpenicillosisAlternative form of penicilliosis.penitentialsplural of penitentialpennyweightsplural of pennyweightpensionariesplural of pensionarypentacoccous(botany) Composed of five united carpels with one seed in each.pentahedronsplural of pentahedronpentathletesplural of pentathletepentazocinesplural of pentazocinepentecostiesplural of pentecostypentosaceousRelating to, or containing pentosespenultimatesplural of penultimatepepsinolysis(biochemistry) The lysis of proteins by means of pepsinpeptidolysis(biochemistry) The cleavage or digestion of peptides.peracephalusAn individual with a malformation of the headperaluminous(geology) Describing igneous rocks that have a higher molar proportion of aluminium to sodium, potassium and calciumperchloridesplural of perchloridepercutaneous(surgery) Taking place through the skin and involving a puncture thereof.perforationsplural of perforationperformancesplural of performancepergameneousParchment-like.periadenitisThe inflammation of the tissues surrounding a gland.perianthless(botany) That lacks a perianthperiaortitisInflammation of the tissue surrounding the aorta.pericarditis(cardiology, pathology) Inflammation of the pericardium, the membrane that surrounds the heart.perichaetous(zoology, archaic) perichaetineperichoresis(Christianity) The doctrine of the Trinity.pericystitisinflammation of the tissues surrounding the bladderperidialysisBefore or after dialysisperidontitis(pathology) inflammation and infection of the periodontiumperidynamics(physics) A form of mechanics concerned with discontinuities and fracturesperilousnessThe quality of being perilous.perineuritis(medicine) Inflammation of the perineurium.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.perioestrousRelating to perioestrusperipateticsplural of peripateticperipetalous(botany) Surrounding, or situated around, the petals.peristimulus(biology) Around the time of a stimulus, when neurons fire.peritrichous(biology) Having flagella around the body or around the mouthperitumorousSynonym of peritumoral.permanenciesplural of permanencypermutationsplural of permutationperpetratorsplural of perpetratorperpetuatorsplural of perpetuatorperpetuitiesplural of perpetuityperplexitiesplural of perplexitypersecutionsplural of persecutionpersecutress(rare) A female persecutor.personalisesthird-person singular simple present indicative of personalisepersonalnessThe state of being personalpersonaltiesplural of personaltypersonationsplural of personationpersonifiersplural of personifierperspectivesplural of perspectivepertinaceousAlternative form of pertinacious.pertinaciousHolding tenaciously to an opinion or purpose.pervalicious(slang, rare) Perverted in a delicious or appealing way.perversenessThe quality of being perverse; doggedness, obstinacy.pervicacious(possibly rare) Extremely stubborn or headstrong; wilful, obstinate.perviousnessThe quality or state of being pervious.petaliferous(botany) Bearing petals.petaloideous(archaic, botany) Having some or all of the perianth petalous.petrificiousCausing petrificationpetrodollarsplural of petrodollarpetrofabricsThe analysis of rock fabric.petrogenesisRock formation, especially the formation of igneous or metamorphic rocks.petroleomics(organic chemistry) The identification of the totality of the constituents of naturally-occurring petroleum and crude oilpetrologistsplural of petrologistpetrophilousThriving in a rocky environment.petrophysics(geology, physics) The physics of rock, especially rock that acts as a reservoir for petroleum or other fluidspettifoggersplural of pettifoggerphacodonesisThe vibration of the lens accompanying eye movement.phacomatosisAlternative form of phakomatosis.phaenogamous(botany, archaic) Having true flowers with distinct floral organs; flowering.phaenozygousAlternative form of phenozygous.phaeosporousOf or relating to phaeospores.phagedaenousAlternative form of phagedaenic.phagocytisesthird-person singular simple present indicative of phagocytisephagocytizesthird-person singular simple present indicative of phagocytizephagocytosis(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.phagokinesisThe deposition of a phagokinetic trailphakomatosisAny of a group of neurocutaneous disorders of the central nervous system causing lesions on the skin and eye.phalaenopsis(botany) Any of the genus Phalaenopsis of moth orchids.phaleristics(very rare) The study of orders, fraternity, and award items.phallophorusThe person who carries the phallus in a phallophoriapharyngismusspasm of the pharynxpheasantlessWithout pheasants.phenospeciesA species differentiated from others by its phenotypephiladelphus(botany) Any of the genus Philadelphus of shrubs.philanderersplural of philandererphilanderess(rare) A female philanderer.philanderousphilanderingphilologistsplural of philologistphilosophersplural of philosopherphilosophess(rare) A female philosopher.philosophiesplural of philosophyphlebostasis(medicine) A slowing of the flow of blood through the veinsphlebotomiesplural of phlebotomyphloephagous(biology) That feeds on phloemphlogogenous(medicine, archaic) Causing inflammation.phlyctaenousAlternative form of phlyctenous.phogocytosisMisspelling of phagocytosis.phonascetics(rare, obsolete) treatment for restoring or improving the voicephonemicnessSynonym of phonemicity.phoneticiansplural of phoneticianphoneticistsplural of phoneticistphoneticizesthird-person singular simple present indicative of phoneticizephonologistsplural of phonologistphonotactics(linguistics, phonology) A branch of phonology that deals with the restrictions a language applies to combinations of phonemes.phormiaceous(botany, relational) Of or relating to the Phormiaceae.phosphatasesplural of phosphatasephosphatidesplural of phosphatidephospholysisMisspelling of phosphorolysis.phosphoniumsplural of phosphoniumphosphoranesplural of phosphoranephosphoratesthird-person singular simple present indicative of phosphoratephosphoreous(obsolete) phosphorescentphosphoritesplural of phosphoritephosphorlessWithout phosphor.phosphourousMisspelling of phosphorous.photobiomassphotochemical biomassphotocopiersplural of photocopierphotogenesisThe emission of light, as by certain bacteria.photokinesesplural of photokinesisphotokinesisAny movement that is in response to light.photometricsThe science of photometry.photophilousThriving 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.photoprocessAny printing process that involves photographyphotospheresplural of photospherephrasemakersplural of phrasemakerphthalazinesplural of phthalazinephthalimidesplural of phthalimidephycocyaninsplural of phycocyaninphycologistsplural of phycologistphycomycetesplural of phycomycetephycomycosiszygomycosis caused by Phycomycetesphylacteriesplural of phylacteryphyllocladesplural of phyllocladephyllodinous(botany) Having phyllodes.phyllogenous(biology) Living or growing on leaves.phylloideous(rare) phylloid; leaf-shapedphyllopodous(zoology, of a crustacean limb) flattened and flap-likephylogenesisEvolutionary development of a species.phylospeciesThe smallest unit appropriate for phylogenetic analysis (the unit product of natural selection and descent).physaraceousOf 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.physicianess(dated, rare) A female physician.physiognosisdiagnosis of disease by studying facial appearancephysostomous(zoology) Having a duct to the air bladder.phytoalexinsplural of phytoalexinphytobenthos(biology) Benthic organisms that are plants or algae.phytobiomassplant biomassphytocenosis(biology) All the plants of a biocenosisphytogenesesplural of phytogenesisphytogenesis(biology) The origin and evolutionary development of plants.phytometrics(ecology) The study of methods for uniquely recognizing or predicting physiological processes in plants based upon one or more intrinsic physical or behavioral traitsphytophagous(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.phytosterolsplural of phytosterolphytotronicsThe study of plants under controlled environmental conditions in order to determine the effects of one or more environmental parameters.pianoplayersplural of pianoplayerpicayunenessThe quality of being picayune.piccaninniesplural of piccaninnypickaninniesplural of pickaninnypickelhaubesplural of pickelhaubepicksomenessThe quality of being picksome.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.picturebooksplural of picturebookpiercingnessThe quality of being piercing.piezotronics(physics) The science and technology of piezoelectric effects and devicespilocarpinesplural of pilocarpinepimecrolimus(pharmacology) An immunomodulating agent used in the treatment of atopic dermatitis.pinchcommonsAlternative form of pinch-commons.pinchpenniesplural of pinchpennypinguidinous(obsolete) Containing fat; fatty.pinnywinklesAlternative form of pilliwinks.pintocytosisMisspelling of pinocytosis.pipefittingsplural of pipefittingpipistrellesplural of pipistrellepisciphagous(rare, biology) Feeding on fish; piscivorous.pithlessnessAbsence of pith.pitiablenessThe quality of being pitiable.pitilessnessThe condition of being pitilesspittosporumsplural of pittosporumpizzalicious(slang, rare) delicious in a way that involves or resembles pizzaplacablenessThe state or quality of being placable.placeholdersplural of placeholderplagiarisersplural of plagiariserplagiarizersplural of plagiarizerplagioclasesplural of plagioclaseplainclothes(usually of a police officer) Wearing ordinary civilian clothes instead of a uniform, in order to avoid detection.planetariumsplural of planetariumplanimetricsAlternative form of planimetry.planispheresplural of planisphereplanlessnessThe state or quality of being planless.planogametesplural of planogameteplasmablastsplural of plasmablastplasmalemmasplural of plasmalemmaplasminogensplural of plasminogenplasmodesmasplural of plasmodesmaplasmogenousThat forms a plasma when in bulk.plasterinessThe quality of being plastery.plasticisersplural of plasticiserplasticizersplural of plasticizerplastivorousConsuming plastic.platanaceous(botany) Belonging to the family Platanaceae of plane trees.plateosaurusAny herbivorous dinosaur of the family Plateosauridae.platformlessWithout a platform or platforms.platycoelous(anatomy) Flat at the anterior and concave at the posterior end; said of the centra of the vertebrae of some dinosaurs.platyrrhinesplural of platyrrhineplaylessnessLack of play (recreational activities).playsomeness(dated) The quality of being playsome.pleadingnessThe quality of being pleading.pleasantness(uncountable) The state or quality of being pleasant.pleasantriesplural of pleasantrypleasingnessThe quality or state of being pleasing.pleasurelessWithout pleasure.plebeiannessThe quality of being plebeian.plecopteransplural of plecopteranpleiocytosisAlternative form of pleocytosis.pleometrosis(entomology) The establishment of an ant colony by multiple queens.pleomorphoushaving or passing through many different formsplesiobiosisA close nesting association between two or more colonies of social insects with little actual interaction.plesionymous(construed with with) Having a similar but differentiable and contrastable meaning; of or being a plesionym.plesiosaurusAny of the genus †Plesiosaurus of extinct long-necked marine reptiles from the Early Jurassic.pleurodirous(zoology) Having the head and neck folded under the front edge of the carapace by one or more horizontal folds.ploddingnessThe state or quality of being plodding.plombiferousDated form of plumbiferous.plotlessnessThe state of lacking a substantial plot or scheme.ploughsharesplural of ploughsharepluglessnessAbsence of a plug or plugs.plumbaginousAlternative spelling of plumbagineous.plumbiferousProducing or containing lead.plumbinglessWithout plumbing.plumpishnessThe property of being plumpish.plumulaceous(zoology, ornithology) Downy; bearing down.plurifarious(archaic) Of many kinds or types; multifarious.pluriflorous(botany) Having many flowers per inflorescence.pluviometersplural of pluviometerpneudraulicsThe system on military aircraft that use either or some combination of both hydraulic and pneumatic systems.pneumococcusA gram-positive bacterium, Streptococcus pneumoniae, that causes pneumonia and other infectious diseasespneumocystis(pathology) A parasitic fungal organism of the genus Pneumocystis, in humans specifically Pneumocystis jorevicii.pneumosepsis(medicine) Sepsis secondary to pneumonia.pneumotyphustyphous pneumoniapocketknivesplural of pocketknifepodoconiosis(pathology) An endemic form of nonfilarial elephantiasispodophyllous(zoology) Having thin, flat, leaf-like locomotive organs.poemlessnessAbsence of poems.poeticalnessThe state or quality of being poetical.pointfulnessThe state or condition of being pointful.pointillistsplural of pointillistpointsettiasMisspelling of poinsettias.pokerishnessQuality of being pokerish.polaritonics(physics) The design and construction of devices employing polaritons.policymakersplural of policymakerpoliomavirusAny 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 politenesspollenarious(archaic or obsolete) Consisting of meal or pollen.pollutednessThe state of being polluted.poloniferous(rare) Containing or producing polonium.poltergeistsplural of poltergeistpolyadenitis(medicine) A condition in which many of the lymph nodes are inflamed.polyadenosis(medicine) A disease that affects multiple lymph nodespolyalcoholsplural of polyalcoholpolyamoristsplural of polyamoristpolyamourousMisspelling of polyamorous.polyandrious(obsolete) polyandrouspolyangiitis(medicine) inflammation of multiple blood vessels or lymph vesselspolyanthusesplural of polyanthuspolychaetousRelating to polychaetes.polychromousOf or pertaining to polychromy; many-colored; polychromatic.polychronousContaining multiple rhythmspolydnavirusAn insect virus of family Polydnaviridae that integrates itself inside a wasp genome.polyglottous(rare) Speaking many languages; polyglot.polyhedrosesplural of polyhedrosispolyhedrosisAny of several diseases of insect larvae that are caused by the polyhedral viruses, family Baculoviridae.polymorphousHaving, or assuming, a variety of forms, characters, or stylespolymyositis(medicine) An inflammatory disease affecting multiple musclespolyneuritisinflammation of multiple nerves; multiple neuritispolyoestrousAlternative form of polyestrous.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.polypeptidesplural of polypeptidepolypetalous(botany) having a corolla composed of distinct, separable petalspolyphyllous(botany) Having many leaves (or flowers)polypiferousBearing polypspolypigerous(rare) polypiferouspolypyrenous(botany, dated) Containing multiple stones, kernels, or seeds.polysensuous(archaic) Having many senses or meanings.polysepalous(botany, of a calyx) having separate sepalspolysorbatesplural of polysorbatepolyspermous(botany) Containing many seedspolystichous(botany) arranged in several rows or seriespolystyrenesplural of polystyrenepolysulfidesplural of polysulfidepolytechnicsplural of polytechnicpolyterpenesplural of polyterpenepolytrichousVery hairy; densely ciliate.polyuronidesplural of polyuronidepolyvalencesplural of polyvalencepomegranatesplural of pomegranateponderationsplural of ponderationpontificatesplural of pontificatepontificious(obsolete) pontificalpopularisersplural of populariserpopularitiesplural of popularitypopulousnessThe quality of being populous.porcelainousSynonym of porcellaneous.porcelaneousAlternative spelling of porcellaneous.porcellanousAlternative form of porcellaneous.porelessnessAbsence of pores.porkalicious(of food, informal) Delicious or tantalising because of the pork it is made from or contains.portablenessThe state or quality of being portable; portability.portalvenousAlternative form of portal venous.portmanteausplural of portmanteauportraitistsplural of portraitistportraituresplural of portraitureportulaceous(botany) Belonging to the family Portulaceae (preferably Portulacaceae) of purslanes.positionlessWithout a position (social rank); being an outcast.positiveness(uncountable) The quality of being positive; positivity.positivitiesplural of positivitypossessoress(rare, dated) A female possessor.possiblenessQuality of being possible.possiblitiesMisspelling of possibilities.postanalysisSynonym of postanalytical.postanthesisoccurring after the opening of a flowerpostcaptainsplural of postcaptainpostdialysisAfter dialysis.postdistressAfter distress.postgenomics(genetics) Any of various fields of study that are only possible after the publication of the genome of an organismposthypnosisAfter hypnosis.postliminousOccurring afterward.postmistressA female postmasterpoststenosisFollowing the formation of a stenosis; poststenotic.poststimulusFollowing a stimulus.potentiatorsplural of potentiatorpowderflasksplural of powderflaskpowerbrokersplural of powerbrokerpowerfulnessThe quality of being powerful.powerstrokesplural of powerstrokepraetorshipsplural of praetorshipprankfulnessThe quality of being prankful.prankishnessPrankish behaviour; mischief.pranksteressA female prankster.prasinovirusAny virus of the genus Prasinoviruspratincolous(zoology) Living in meadows.preacherlessWithout a preacher.prebendariesplural of prebendaryprecancerous(oncology) Of or pertaining to growth that is likely to develop into cancer.precedaneous(obsolete) preceding; antecedent; previouspreceptoressAlternative form of preceptress.preceptoriesplural of preceptorypreciositiesplural of preciositypreciousnessThe condition of being precious.precipitantsplural of precipitantprecipitatesplural of precipitateprecipitiousObsolete form of precipitous.precomputers(informal) Before the availability of computers.preconceivesthird-person singular simple present indicative of preconceivepreconsciousPrior to consciousness.precutaneousMisspelling of percutaneous.predecessorsplural of predecessorprediagnosis(medicine) Prior to diagnosispredicamentsplural of predicamentpredicationsplural of predicationpredominatesthird-person singular simple present indicative of predominateprefixationsplural of prefixationpregivennessThe quality or state of being pregiven.pregnadienesplural of pregnadienepregnantnessQuality of being pregnant.prehistoricsThe scientific study of prehistory.prehistoriesplural of prehistorypreinjuriousPrior to injury.prejudicious(rare) Acting with prejudice; having prejudice.premonitionsplural of premonitionpreparationsplural of preparationpreparednessThe state of being prepared.preponderouspreponderantprepositionsplural of prepositionprepossessesthird-person singular simple present indicative of prepossesspreposterousAbsurd, or contrary to common sense.prepotenciesplural of prepotencyprereligiousBefore the existence of religion.prerogativesplural of prerogativepresanctionsBefore the introduction of sanctions.presbyacusisAlternative form of presbycusis.presbyteress(historical) A presbyter or priest's wife.presbyteriesplural of presbyterypreschoolersplural of preschoolerpreselectorsplural of preselectorpresencelessWithout a presence.presentmentsplural of presentmentpreserveress(dated) A female preserver.presidenciesplural of presidencypresidentess(archaic) A female president.pressurelessWithout pressure or the use of pressure.prestigelessWithout prestige.presumptionsplural 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.presymbiosis(biology) The stage in the development of an organism during which the necessary biochemical changes are made to allow a move from asymbiosis to symbiosispretencelessAlternative form of pretenseless.pretenselessNot having or making pretenses.preteritionsplural of preteritionpreteritnessAlternative form of preteriteness.prettinessesplural of prettinessprevaricatesthird-person singular simple present indicative of prevaricatepreviousnessThe quality of being previous.prickishness(slang) Synonym of prickery (“prickish behaviour”).pridefulnessThe state or condition of being prideful (arrogant, haughty); pride.priestlinessThe quality or state of being like a priest.priggishnessThe state or quality of being priggish.primevalnessThe quality of being primeval.primigeniousAlternative form of primigenous.primitivistsplural of primitivistprimulaceous(botany) Characteristic of the primrose and other plants of the family Primulaceae.princelinessThe quality or state of being princely.princesslessWithout a princess.princessnessThe quality of being a princess.printsellersplural of printsellerprisonguardsplural of prisonguardpristinenessThe state or condition of being pristine.prizewinnersplural of prizewinnerproapoptosisproapoptoticprobableness(formal, rare) The state or quality of being likely to occur; likelihood, probability.probationersplural of probationerproblacknessThe support of favoring of black people.problematicsplural of problematicprocancerousThat promotes the growth of a cancerproclivitiesplural of proclivityprocreatress(literary) A female procreator.proctoclysisAn enema for purposes of rehydration; delivery of fluids via the rectum.proctodaeumsplural of proctodaeumprocuratressA female procurator.procurementsplural of procurementprodigalness(rare) The quality of being prodigal; prodigality.proditorious(obsolete) Treacherous, traitorous.professoress(archaic) A female professor.profiterolesplural of profiteroleprofligaciesplural of profligacyprofoundnessThe quality of being profound; profundityprofunditiesplural of profundityprogenitressa female progenitorprogestagensplural of progestagenprogestogensplural of progestogenproglottidesplural of proglottisprognatheousMisspelling of prognathous.progressivesplural of progressiveprogresslessdevoid of progressprohibitionsplural of prohibitionproletaneous(rare) Having numerous offspring.proletariansplural of proletarianproliferatesthird-person singular simple present indicative of proliferateprolificnessThe condition of being prolific.prolocutress(rare) Synonym of prolocutrix.promontoriesplural of promontorypromoterless(genetics) Without a promoter (type of DNA section).promotorlessLacking a promotorpromulgatorsplural of promulgatorproofreadersplural of proofreaderpropagandousCharacterized by propaganda.propagationsplural of propagationpropagatress(archaic) A female propagator.propanolysis(organic chemistry) alcoholysis using propanolpropensenessAlternative spelling of propensenesse.propensitiesplural of propensitypropertylessWithout property—things owned.prophanenessObsolete spelling of profaneness.prophetessesplural of prophetessproplateletsplural of proplateletpropositionsplural of propositionpropranololsplural of propranololproprietress(dated) A female proprietor.prorogationsplural of prorogationprosauropodsplural of prosauropodprosecutionsplural of prosecutionproselytizesthird-person singular simple present indicative of proselytizeprosopopesis(parapsychology, rare) A sudden and profound change of an individual's personality, whether spontaneous or induced e.g. in hypnosis.prospectlessWithout prospects; futureless.prospectusesplural of prospectusprosthetistsplural of prosthetistprostibulous(obsolete) Of or relating to prostitutes or prostitution; meretricious.prostrationsplural of prostrationprotagonistsplural of protagonistproteaginousRich in proteinprotectoriesplural of protectoryproteinomics(biochemistry) The identification of the totality of the proteins in an organismproteolipidsplural of proteolipidproteostasis(biochemistry) eukaryotic protein homeostasisprothetelousExhibiting prothetely; prothetelicprotoandrousAlternative form of protandrous.protologismsplural of protologismprotomartyrsplural of protomartyrprotonolysis(chemistry) The breakup of a molecule following protonationprotophysicsThe early study of physics, before it became a rigorous established discipline.protopsaltis(Christianity) The cantor in charge of the music for a service of the Byzantine Rite.protospeciesA preexisting type of species from which other species evolved.protostomousOf or pertaining to a protostomeprotuberatesthird-person singular simple present indicative of protuberateproudfulness(nonstandard) The state, quality, or condition of being proudful.provablenessThe quality of being provable.proveniencesplural of provenienceprovisionalsplural of provisionalprovocateursplural of provocateurprovocationsplural of provocationprovocativesplural of provocativeprovostshipsplural of provostshipprowhitenessThe support or favoring of white people.pruninghooksplural of pruninghookpsammomatous(medicine) Of or pertaining to psammomaspseudoacinusA disrupted or distorted form of an acinuspseudocellusA small pore (possibly a simple eye) on the head of a proturan.pseudococcusAny pseudococcid of the genus PseudococcuspseudocyesisA false pregnancy: the appearance of signs and symptoms associated with pregnancy when the person or animal is not pregnant.pseudoeventsplural of pseudoeventpseudofaeces(biology) Particles rejected by a mollusk as unsuitable for food and expelled without passing through the digestive tract.pseudofamousApparently, but not actually, famous.pseudofungusAny chromist of the phylum PseudofungipseudogamousRelating to, or exhibiting, pseudogamy.pseudogenous(genetics) Relating to a pseudogenuspseudogynousPertaining to or characteristic of a pseudogyne.pseudomeatus(anatomy) A deep indentation that appears to be an opening of the bodypseudomenses(medicine) Blood-tinged vaginal discharge in a female neonate, with an appearance resembling that of menses.pseudomonadsplural of pseudomonadpseudomorphsplural of pseudomorphpseudonymousOf or pertaining to a pseudonym.pseudoporousRelating to pseudoporespseudoptosis(pathology) A ptosis-like presentation with intact levator palpebrae superioris function.pseudorabies(veterinary medicine) A highly contagious herpes virus infection that affects the central nervous system of many animals.pseudostatus(medicine, informal) Ellipsis of pseudostatus epilepticus.pseudosulcusA groove that has the appearance of a sulcus.psilotaceous(botany, relational) Of or relating to the Psilotaceae.psocopteransplural of psocopteranpsocopterousOf or pertaining to the taxonomic order Psocoptera.psychedelicsplural of psychedelicpsychiatricsplural of psychiatricpsychiatriesplural of psychiatrypsychologiesplural of psychologypsychoneticsA 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 experimentpsychopomposAlternative form of psychopomp.psychosonics(rare) psychosonic phenomena collectivelypsychostresspsychological stresspteridaceous(botany, relational) Of or relating to the Pteridaceae.pterobranchsplural of pterobranchpterocarpous(botany) Having winged fruit.pterochorous(botany, of seeds) Having "wings" that are used for dispersal by the windpterodactylsplural of pterodactylpterulaceous(mycology, relational) Of or relating to the Pterulaceae.pterygoideus(anatomy) Alternative form of pterygoid muscle.ptychonomous(entomology, rare) Having the form of, or relating to, a ptychonome. (Compare tentiform.)pubelessnessLack of pubic hair.publicationsplural of publicationpublisheress(archaic) A female publisher.puborectalis(anatomy) The group of fibers that form a sling for the rectum, forming part of the levator ani.pufferfishesplural of pufferfishpuissantness(rare) puissance; powerpullulationsplural of pullulationpulplessnessAbsence of pulp.pulveraceous(botany) Having a fine, powdery surfacepumpkinseedsplural of pumpkinseedpunchinellosplural of punchinellopunchpressesplural of punch presspunctualnesspunctuality; exactnesspunctuationsplural of punctuationpuncturelessWithout a puncture.punitivenessThe state or condition of being punitive.purblindnessThe state or condition of being purblind.purchaselessDevoid of grip or purchase.purificatorsplural of purificatorpurpleheartsplural of purpleheartpurplishnessThe quality of being purplish.purpuraceous(rare) Purple-coloured.pursestringsplural of pursestringpushoverness(nonce word) The state, quality, or condition of being a pushover.pushscootersplural of pushscooterpusilanimousMisspelling of pusillanimous.pussywillowsplural of pussywillowpustulationsplural of pustulationputativenessThe quality of being putative.putrescencesplural of putrescencepuzzlingnessThe quality of being puzzling.pyknocytosis(medicine) The presence of pyknocytes in the blood.pyodermatousRelating to pyodermatitispyonephritisAlternative form of pyelonephritis.pyonephrosisAn infection of the renal collecting system, in which pus collects in the renal pelvis and causes distension of the kidney.pyretogenousSynonym of pyrogenic.pyritiferouscontaining, or yielding pyritespyroclasticsplural of pyroclasticpyrognostics(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.pyromorphous(geology, dated, of a mineral, etc.) changing form when heated, especially forming crystalspyrotechnicsThe art and technology of fireworks and related military applications.pyrrhuloxiasplural of pyrrhuloxiapythogenesis(medicine, obsolete) The production of disease by filth.