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All 1220 Matching Words

pachnolite(mineralogy) A monoclinic-prismatic mineral containing aluminum, calcium, fluorine, hydrogen, oxygen, and sodium.pachyptile(rare) Any seabird in the genus Pachyptila.pacifiableCapable of being pacifiedpacificate(transitive, archaic) To pacify; to make peaceful.packetlikeResembling or characteristic of a packet.packsaddleA saddle designed to secure and carry goods on the back of an animal.paddleable(of a boat etc.) Able to be paddled.paddlelikeResembling or characteristic of a paddle.paedagogueDated spelling of pedagogue.paedophage(zoology) An organism that eats or consumes the young of other species.paedophileCommonwealth standard spelling of pedophile.paedophobeCommonwealth spelling of pedophobe (“a person who dislikes children”).paellalikeResembling or characteristic of paella.pagodalikeResembling a pagoda.pajamalikeResembling or characteristic of pajamas.pajeetware(4chan slang, computing, derogatory, sometimes humorous) Software created by stereotypical Indians, especially when regarded as poor-quality.palacelikeResembling or characteristic of a palace.palaeocaveAlternative form of paleocave.palaeodoseAlternative spelling of paleodose.palaeoduneAn ancient dune, especially one only visible geologicallypalaeofireAlternative form of paleofire.palaeolakeAn ancient lake, especially one only visible geologically.palaeotypeAn old book printed between 1500 and 1550.palagonite(mineralogy) A material similar to basalt formed by the action of water on volcanic ashpalamatineMisspelling of palmatine.palanchineObsolete form of palanquin.palanquineObsolete form of palanquin.palataliseNon-Oxford British English standard spelling of palatalize.palatalize(phonetics, intransitive, unaccusative, of a sound) To be pronounced with the tongue against the palate.palateableAlternative spelling of palatable.palatelikeResembling or characteristic of a palate.palatinateThe office or rank of a palatine.palatinose(organic chemistry) The disaccharide isomaltosepaleoleveeA prehistoric leveepaleophyte(biology) Any prehistoric plant, especially one known only from fossilspaleoslopeThe slope of a region in prehistoric timespaleothere(paleontology) Any extinct mammal of the genus Palaeotherium.palermoite(mineralogy) An orthorhombic-dipyramidal mineral containing aluminum, calcium, hydrogen, lithium, oxygen, phosphorus, sodium, and strontium.palindrome(by extension) A poetic form in which the sequence of words reads the same in either direction.palintrope(zoology) A part of the ventral valve of some brachiopods between the beak and the hinge line.palitinoseMisspelling of palatinose.palletlikeResembling or characteristic of a pallet.palliativeServing to palliate; serving to extenuate or mitigate.palmierite(mineralogy) A trigonal-hexagonal scalenohedral mineral containing lead, oxygen, potassium, sodium, and sulfur.palmigrade(zoology) Putting the whole foot on the ground when walking, like some mammals do.palpatableAble to be palpatedpalpebrate(medicine) Pertaining to the eyelids.palpigradeA small invertebrate arachnid of the taxonomic order Palpigradi.palpophoreThe basal part of the jointed palp of an invertebratepalpostyleThe distal part of the jointed palp of an invertebratepaludicole(zoology) Paludicolous; inhabiting marshes.palustrineSynonym of palustral.palynivore(zoology) Any organism that feeds on pollen; a pollinivore.pampathereAny extinct armadillo of the family †Pampatheriidaepanacherie(dated) Panache; flamboyant style.panamesineAn antipsychotic drug.panaxosideSynonym of ginsenoside.pancaspaseInvolving or relating to all (or most) caspasespanculture(medicine) Microbiological cultures of blood, urine, sputum and stool in search of an offending pathogen.pandersomeCharacterised or marked by panderingpanegyriseAlternative spelling of panegyrize.panegyrize(transitive) To praise, especially in an eloquent speech or in writing.panguingueA 19th-century gambling card game resembling rummy, probably of Philippine origin, and usually played with eight decks of cards.paniculateHaving a branched cluster of flowers.panidazole(pharmacology) An antiprotozoal drug.panisidine(organic chemistry) Any of three isomeric methoxy derivatives of aniline.panjrapoleAlternative form of pinjrapole.panomifene(pharmacology) An antiestrogen drug.pantagogue(archaic) A medicine once believed capable of purging away all morbid humours.pantaletteSingular of pantalettes: one of the legs of loose-fitting undertrousers formerly worn under the skirt of children and women in the 19th century. They could be worn as two garments, or joined as one.pantascope(historical) A pantascopic camera.pantethine(chemistry) A dimeric form of pantothenic acid, composed of two molecules of pantothenic acid linked by cysteamine bridging groups.pantherineLike a panther, especially in colour; characteristic of a panther.pantoscope(historical) A panoramic camera.pantothere(zoology) Any of the Pantotheria, a (now abandoned) taxon of Mesozoic mammals.pantouffleAlternative form of pantofle.pantrylikeResembling or characteristic of a pantry.panuramineAn SSRI antidepressant drug.papavarineMisspelling of papaverine.papaverine(organic chemistry, pharmacology) A nonaddictive derivative of opium used in medicine to relieve muscle spasms, as a vasodilator and in some forms of erectile dysfunction.papayotineAlternative form of papayotin.paperchaseA cross-country race in which a trail of shredded paper marks the route.papercreteA construction material made from paper or cardboard mixed with cement, clay, or soil.paperknifeA knife for cutting paper or opening envelopes.paperphileOne who loves paper.paperwhiteA bulbous perennial, of species Narcissus papyraceus, native to the Mediterranean region, with fragrant bunches of white flowers.papyrotype(historical) A form of photolithography using paper as the initial transfer material.parabanate(organic chemistry) Any salt or ester of parabanic acidparaboliseAlternative form of parabolize.parabolize(intransitive) To speak in parables.parachrose(mineralogy) Changing colour by exposure to weather.paraconine(chemistry) A base resembling and isomeric with conine, obtained from butyric aldehyde and ammonia.paraconule(dentistry) A conule located between a paracone and a metacone.paracoxiteThe basal, lateral part of the posterior coxal foldparacymene(chemistry) cymeneparadamite(mineralogy) A triclinic-pinacoidal light yellow mineral containing arsenic, hydrogen, oxygen, and zinc.paradelikeResembling or characteristic of a parade.paradiddleTo produce percussive sounds of this kind.paradoxureAny member of the species of genus Paradoxurus, Asiatic viverrine mammals allied to the civet.paradrogue(aeronautics) Synonym of drogue (“conical device for aerial refuelling”).paraedrite(mineralogy) Synonym of rutile.paragonite(mineralogy) A mineral related to muscovite.paragonize(transitive, obsolete) To paragon; to compare or parallel.paragrammeAlternative form of paragram.paralogiseAlternative form of paralogize.paralogize(archaic) To reason falsely; to make a paralogismparamitome(biology) Synonym of cytosol.paramosqueA Muslim organization that engages in social welfare.paramutateTo undergo paramutationparamylene(obsolete, organic chemistry) deceneparapenilenear the penisparaphraseA restatement of a text in different words, often to clarify meaning or from memory rather than verbatim.pararescueA military career field whose practitioners parachute into enemy territory to provide emergency medical help and to rescue fellow soldiers.paraseleneSynonym of moon dog.parasitiseTo live on or in a host organism as a parasite.parasitize(biology) To live on or in a host organism as a parasite.parasitome(biology) All the parasites (in any form) of a host organismparathleteAlternative form of para-athlete.paratoside(biochemistry) A derivative of ascaroside that contains the sugar paratoseparaumbite(mineralogy) An orthorhombic mineral containing hydrogen, oxygen, potassium, silicon, and zirconium.paraxazoneAn antidepressant drug.paraxyleneAn aromatic hydrocarbon consisting of a benzene with two methyl substituents.parcellateTo divide something into sections or parcels.parcellizeTo fragment or subdivideparcelwiseIn parcels or allotments; piecemeal, fragmented.pardonableCapable of being pardoned; worthy of pardon.parentheme(arithmetic, linguistics) The expression inside a pair of parentheses.parenthese(nonstandard) Alternative form of parenthesis.parentlikeResembling or characteristic of a parent.parfumerieSynonym of perfumery (“shop selling perfumes”).pariahlikeResembling or characteristic of a pariah.parianwareSynonym of Parian (type of porcelain)parodiableSuitable for parody.parolelikeResembling or characteristic of parole.paromamineAn aminoglycoside derived from apramycinparonymize(linguistics, transitive, rare) To convert into a paronym.paroxetine(pharmacology) An antidepressant that is a selective serotonin reuptake inhibitor and is also used for the treatment of anxiety disorders.paroxonaseMisspelling of paraoxonase.paroxysomeMisspelling of peroxisome.paroxytone(linguistics, of a word) Having the stress or accent on the penultimate syllable.parquetage(archaic) parquetryparquisiteObsolete form of perquisite.parrotlikeResembling or characteristic of a parrot.parrotwiseIn parrot fashion; with thoughtless repetition.parsalmide(pharmacology) A nonsteroidal anti-inflammatory drug.parsonableAlternative spelling of personable.parsonlikeResembling or characteristic of a parson.parsonsine(organic chemistry) A pyrrolizidine alkaloid.parsonsite(mineralogy) A triclinic-pinacoidal mineral containing hydrogen, lead, oxygen, phosphorus, and uranium.partakable(rare) Alternative form of partakeable.parthenote(embryology) A cell or embryo generated through parthenogenesis.partialiseAlternative form of partialize.partializeTo make or become partial; to divide into parts.participle(grammar) A form of a verb that may function as an adjective, noun or adverb. English has two types of participles: the present participle and the past participle. In other languages, there are others, such as future, perfect, and future perfect participles.partyplace(demoscene) The venue where a demoparty is held.parvaquoneAn antimalarial drug.pasquinadeA lampoon, originally as published in public; a satire or libel on someone.passegardeAlternative form of passguard (“plate sticking up off shoulder-armor to protect the neck”).passerelleA gangplank or platform used to board or leave a large yacht.passionateGiven to strong feeling, sometimes romantic, sexual, or both.passphrase(computing) A password that comprises a whole phrase.pasteurise(transitive) To heat food for the purpose of killing harmful organisms such as bacteria, viruses, protozoa, molds, and yeasts.pasteurize(transitive) To heat food for the purpose of killing harmful organisms such as bacteria, viruses, protozoa, molds, and yeasts.pastillageA kind of edible modelling paste used to make elaborate decorative confectionery for cakes etc.pastorlikeResembling or characteristic of a pastor.pastrylikeResembling pastry or some aspect of it.pasturableFit for pasture.patellulaeplural of patellulapatentable(law) Able to be protected by a patent; for which a patent can be granted.patentlikeHaving some characteristics of a patent.pathetiqueObsolete form of pathetic.pathobiome(biology, pathology) A biome (biological community) associated with a particular diseasepathoscoreAn estimated numerical measure of pathogenicitypatientive(linguistics) Pertaining to a grammatical patient that receives the action of the verb.patisserie(UK) a shop that sells pastries and cakespatriciateThe rank of a patricianpatriotizeTo make patrioticpatronlikeLike or resembling a patron.patternateTo form a patternationpatternizeTo arrange into a patternpattersomeCharacterised or marked by patteringpatupiloneSynonym of epothilone.paulingite(mineralogy) A rare zeolite mineral found in vesicles in alluvial basaltic rocks.pauliosideA particular steroid glycoside.paullinate(organic chemistry) Any salt or ester of paullinic acidpeadophileMisspelling of paedophile.peanutlikeResembling a peanut.pearlesqueHaving the colour or lustre of pearl; pearly.pearlscaleA spherical-bodied fancy goldfish with doubled finnage similar to the fantail.pearlstone(mineralogy) perlitepeasantize(transitive) To turn into a peasant, or a peasant class in society.pebblelikeResembling or characteristic of a pebble.pebblewarevariegated pottery made from a mixture of clays of different colourspectolyase(biochemistry) Any of a class of enzymes that degrade pectinpedagogeseAlternative form of pedagoguese.pedagogize(transitive) to make suitable for the learning processpedalcycleAlternative form of pedal cycle.peddlesomeCharacterised or marked by peddlingpediculateProvided with a pedicel.pedipulate(transitive, rare, archaic) To handle, operate, or control with the foot or feet, especially in a skillful manner.pedomotiveMoved or worked by the action of the foot or feet on a pedal or treadle.pedosphereThe outermost layer or "skin" of the Earth, subject to soil formation processes.pedotubule(soil science) A pedological feature, somewhat like a cutan, that has a tubular formpeisleyite(mineralogy) A monoclinic white mineral containing aluminum, hydrogen, oxygen, phosphorus, sodium, and sulfur.pejorativeDisparaging, belittling or derogatory.pelagositeA pisolitic variety of aragonite.pellagroseAlternative form of pellagrous.pelletableThat can be formed into pelletspelletlikeResembling or characteristic of a pellet.pellouxite(mineralogy) A monoclinic-prismatic black mineral containing antimony, chlorine, copper, lead, oxygen, silver, and sulfur.peloruside(organic chemistry) A macrocyclic secondary metabolite of the New Zealand marine sponge Mycale hentscheli that is a cytotoxinpencillateShaped like a pencil.pencillikeResembling or characteristic of a pencil.pendeloque(also attributive) A drop-shaped diamond or other gem used as a pendant; also, a piece of jewellery in pendant form.pendentive(architecture) The concave triangular sections of vaulting that provide the transition between a dome and the square base on which it is set and transfer the weight of the dome.pendulette(historical) A small pendulum clock.penellipsein the caterpillar proleg, the figure formed when a part less than half of a uniserial circle of crochets is absentpenelopiseAlternative form of penelopize.penelopize(very rare) To create a delay by undoing what has previously been done, sometimes possibly with the intention of redoing it and repeating this cycle.penetrableCapable of being penetrated, entered, or pierced.penetranceThe quality or state of being penetrant; power of entering or piercing; penetrating power.penetrateeThe partner who is penetrated in sexual intercourse.penguinese(informal) The language supposedly used by penguins.penikisite(mineralogy) A triclinic-pinacoidal mineral containing aluminum, barium, hydrogen, iron, magnesium, oxygen, and phosphorus.pennantite(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, manganese, oxygen, and silicon.pennistoneAlternative form of penistone.pennystoneAlternative form of penistone.penroseite(mineralogy) An isometric-diploidal creamy grayish white mineral containing cobalt, copper, nickel, and selenium.pentaamine(organic chemistry) Any organic compound having five amino groupspentactineA pentactinal spicule of a spongepentacycleA five-wheeled pedal cycle.pentadiene(organic chemistry) Either of two isomeric dienes derived from pentanepentaflake(mathematics) A fractal formed by arranging clusters of pentagons around a central pentagonpentalogueA series of five statements.pentamdineMisspelling of pentamidine.pentametreAlternative form of pentameter.pentanoate(organic chemistry) Any salt or ester of pentanoic acid.pentaoxideAlternative form of pentoxide.pentaphene(organic chemistry) A polycyclic aromatic hydrocarbon with five fused benzene rings.pentaptote(grammar, rare, obsolete) A noun having five cases.pentaquine(pharmacology) Alternative form of pentaquin.pentastomeAny tongue worm of the subclass Pentastomidapentastyle(architecture) A portico with five columns.pentenoate(organic chemistry) Any salt or ester of a pentenoic acidpentiodideAlternative form of pentaiodide.pentremite(zoology) Any member of species of †Pentremites.pentynoate(organic chemistry) Any salt or ester of a pentynoic acidpenzhinite(mineralogy) A hexagonal-trapezohedral grayish white mineral containing copper, gold, selenium, silver, and sulfur.peopleware(computing) People, regarded as a resource; human resources.pepperetteAn adulterant added to ground peppercorns, made from ground olive pits.pepperidgeNyssa sylvatica, a medium-sized deciduous tree of North America.pepperlikeResembling pepper (the vegetable or spice) or some aspect of it; peppery.peppertreeAlternative form of pepper tree.peptizableAble to be peptized.peptoprime(biochemistry, very rare) A sequence of amino acids that has never been found in any protein in any species; some of these sequences may be incompatible with life.peracetate(organic chemistry) Any salt or ester of peracetic acidperbromate(inorganic chemistry) The oxyanion of bromine BrO₄⁻.perbromide(chemistry) A bromide having a higher proportion of bromine than any other bromide of the same substance or series.percarbide(inorganic chemistry) Any of a series of compounds containing the largest proportion of carbonpercentageThe amount, number or rate of something, regarded as part of a total of 100; a part of a whole.percentile(statistics) Any one of the hundred groups so divided.perceptiveHaving or showing keenness or sharpness of perception, insight, understanding, or intuition.percussiveCharacterized by percussion; caused by or related to the action of striking or pounding something.perdricide(obsolete) Someone who kills partridges.perdurableVery durable; long-lasting.perdurancepermanence, persistenceperfective(grammar, linguistics) Of, or relative to, the perfective aspect.perfoliate(botany, of leaves) Appearing to have the stem passing through the blade.perforableCapable of being perforated or penetrated.perfricate(obsolete, transitive) To rub over.perfumableCapable of being perfumed.perfusableThat can be perfusedperhydrate(chemistry) a hydrate in which the water molecules have been replaced by molecules of hydrogen peroxideperiactiveactive in a surrounding areaperialpineAround the Alps.pericentreAlternative spelling of pericenter.peridotite(geology) A rock consisting of small crystals of olivine, pyroxene and hornblende; the major constituent of the Earth's mantle.perifosine(pharmacology) An experimental alkylphospholipid anticancer drug.perifusateAny liquid used in perifusionperilunate(anatomy) Surrounding the lunate boneperimidine(organic chemistry) A tricyclic heterocycle consisting of a dihydri-pyrimidine ring ortho- and peri-fused to naphthaleneperiodiole(mycology) A spore package, that looks like an egg in a bird's nest fungusperiodlikeResembling a period (time of menstruation).perioscope(medicine, dentistry) A form of endoscope used to explore and visualize the periodontal pocket, producing an image of a diseased tooth's root.peripenileAround the penis.periphrase(rhetoric) The use of more words than are necessary to express the idea; a roundabout, or indirect, way of speaking; circumlocution.periplaqueSurrounding a plaqueperiseleneSynonym of pericynthion.perishableLiable to perish, especially naturally subject to quick decomposition or decay.peritomize(surgery, transitive) To perform a peritomy upon.periwinkleAny of several evergreen plants of the genus Vinca with blue or white flowers.perixosomeMisspelling of peroxisome.perjurableAbility to be perjured.perlialite(mineralogy) A hexagonal-dihexagonal dipyramidal pearl white mineral containing aluminum, hydrogen, oxygen, potassium, silicon, and thallium.perloffite(mineralogy) A monoclinic-prismatic mineral containing barium, calcium, hydrogen, iron, magnesium, manganese, oxygen, and phosphorus.permanable(obsolete) permanent; durablepermanenceThe state of being permanent.permansive(linguistics, of an aspect) permanent, stative, maintaining the same statepermasmile(informal) A permanent smile.permastoneAny superficial surface constructed to look like stonework, usually made of concrete or thin sheets of rock assembled over an existing surface.permeativeTending to permeate.permillageThe amount, number or rate of something, regarded as part of a total of 1000.permillile(statistics) Synonym of millile.permissiveGiving permission, or predisposed to give it; lenient.permitable(nonstandard) permissiblepermutableAble to be permuted.pernitrate(chemistry) A compound of nitric acid with the peroxide of a metal.pernoctateTo stay up all night; to pass the night (especially in prayer).perofskiteAlternative form of perovskite.perogativeMisspelling of prerogative.perorativeOf or relating to peroration.perosamineA mannose-derived 4-aminodeoxysugar produced by some bacteria.perovskite(mineralogy) A minor accessory mineral, CaTiO₃, occurring in basic rocks, as orthorhombic crystals.peroxalate(organic chemistry) Any salt or ester of peroxalic acidperoxidase(biochemistry) Any of a class of enzymes that act on substrates such as hydrogen peroxide and organic hydroperoxides such as lipid peroxides.peroxidiseAlternative spelling of peroxidize.peroxidize(transitive) To convert into a peroxide.peroxisome(cytology) An intracellular organelle found in all eukaryotes (except Archezoa) which is the source of the enzymes that catalyze the production and breakdown of hydrogen peroxide, and are responsible for the oxidation of long-chain fatty acids.peroxysomeMisspelling of peroxisome.perpetrate(transitive) To be guilty of, or responsible for a crime etc; to commit.perpetuate(transitive) To prolong the existence of (something) by repetition; to reinforce.perrhenate(inorganic chemistry) The ReO₄⁻ oxyanion; any salt containing this anionperroudite(mineralogy) An orthorhombic-disphenoidal light red mineral containing bromine, chlorine, iodine, mercury, silver, and sulfur.perscopate(archaic) to bristle or horripilatepersecuteeOne who is subjected to persecution.perservereMisconstruction of persevere.persiflageGood-natured banter; raillery.persiflate(intransitive, transitive, rare) To engage in persiflage; to banter.persilladeA French sauce of chopped parsley, garlic, and sometimes herbs, oil, and vinegar.persistive(grammar) Indicating a situation that was the case at one time (usually past) and continues to a later time (usually time of speaking).personableOf a person: having a pleasing appearance; attractive; handsome.personibleAlternative spelling of personable.personlikeResembling a person; personly.persophoneAlternative letter-case form of Persophone.perspirate(rare) Sweaty; moist with perspiration.perstringe(now archaic or literary) To censure; criticize.persuasiveAble to persuade; convincing.persulfate(inorganic chemistry) Any of several oxyanions (and their associated salts) that have peroxide units linked to one or more sulfur atomspersulfide(chemistry) Any sulfide containing more than the usual proportion of sulfur atomsperswasiveObsolete spelling of persuasive.perthamide(biochemistry) Any of a group of cyclopeptides present in marine sponges of the genus TheonellapertinenceThe quality of being pertinent.pertsevite(mineralogy) An orthorhombic-pyramidal colorless mineral containing boron, calcium, fluorine, hydrogen, iron, magnesium, manganese, oxygen, and silicon.perturbate(transitive, dated) To perturb.peruvosideA cardiac glycoside derived from Cascabela thevetia.pervadenceSynonym of pervasion.perversiveTending to pervert.pervulgate(obsolete) To publish.pesterable(obsolete) cumbersome; awkward to transportpestersomeCharacterised or marked by pestering; bothersome; annoyingpestilenceAny epidemic disease that is highly contagious, infectious, virulent and devastating.petagramme(British spelling) Alternative spelling of petagram.petarasite(mineralogy) A monoclinic-prismatic mineral containing calcium, chlorine, hydrogen, oxygen, silicon, sodium, and zirconium.petechiateAlternative form of petechiated.petiquette(informal) Good manners of a pet animal, or when dealing with pet animals.petitioneeSomeone who is petitioned.petrissage(massage) A form of massage involving kneading or wringing the skin with one's fingers, knuckles and thumbs.petrophile(biology) Any organism that thrives in rocky environments.petterdite(mineralogy) An orthorhombic-dipyramidal mineral containing aluminum, carbon, chromium, hydrogen, lead, oxygen, and strontium.pewterwareArticles made from pewter.pfaffoside(organic chemistry) Any of a class of saponins found in members of species of genus Pfaffia.phacellateThat has phacellaephacochere(archaic) The warthog.phacoscopeAn instrument in the form of a dark chamber for observing the changes in the crystalline lens during accommodation.phaeophyte(biology) Any brown alga (of the class Phaeophyceae)phaeosporeA brownish zoospore, characteristic of an order (Phaeosporeae) of dark green or olive-colored algae.phagophore(biology) A double membrane that encloses and isolates the cytoplasmic components during macroautophagy.phagoscoreAn estimation of the concentration of phagocytes in a tissue samplephakoscopeAlternative spelling of phacoscope.phalangite(historical) A soldier belonging to a phalanx.phallicize(transitive) To make phallic.phallobase(entomology) the base (proximal part) of the phallusphallomereAny of a group of lobes, by the gonopore of many insects, that fuse to form a phallusphallosome(entomology) A tube of chitin that houses the penis of some insectsphantasise(British) Archaic spelling of fantasize.phantasizeArchaic spelling of fantasize.phantomize(transitive, dated, derogatory) To make phantom-like or spiritual, or transport into a ghostly realm.pharmacare(Canada, medicine) Public insurance covering all or some of the cost of pharmaceuticals.phascogaleAny of several Australian dasyurid marsupials, of the genus Phascogale, the males of which die shortly after mating.phascolome(zoology, obsolete) A marsupial of the former genus Phascolomys; a wombat.phaseplaneAlternative form of phase plane.phasianineOf or resembling a pheasant.phenacaine(pharmacology) A local anesthetic, the only anesthetic other than cocaine that is approved for ophthalmic use.phenalgineAlternative form of phenalgin.phenelzine(pharmacology) A synthetic compound used as a monoamine oxidase inhibitor.pheneotypeMisspelling of phenotype.phenophase(botany) A phenological phase.phenserine(medicine) A physostigmine analog (N-phenylcarbamoyleseroline, 1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethyl-pyrrolo[2,3-b]indol-5-ol phenylcarbamate) that inhibits acetylcholinesterasephenthoateA particular organothiophosphate insecticide.philippiseAlternative form of philippize.philippize(now rare, historical) To support or advocate the cause of Philip of Macedon; (more generally) to speak as someone who has been wrongly inspired or corrupted.philistine(derogatory) A person who is ignorant or uneducated; specifically, a person who lacks appreciation of or is antagonistic towards art or culture, and who has pedestrian tastes.philologue(archaic) A philologist.philophobeSomeone who suffers from philophobia; someone who fears falling in love.philosopheAny of the leading philosophers or intellectuals of the 18th-century French Enlightenment.phleboliteAlternative form of phlebolith.phlebotomeAn instrument used for phlebotomy; a fleam.phloemlikeResembling or characteristic of a phloem.phlogopite(mineralogy) A mica mineral with the chemical formula KMg₃AlSi₃O₁₀(F,OH)₂, a basic potassium magnesium aluminosilicate, used as an insulatorphloramine(organic chemistry) A basic amido derivative of phloroglucinol.phloretineAlternative form of phloretin.phlorizineAlternative form of phlorizin.phlyctenaeplural of phlyctenapholcodine(pharmacology) An opioid antitussive, C₂₃H₃₀N₂O₄.pholedrine(pharmacology) para-hydroxymethamphetamine, a drug that stimulates the sympathetic nervous system.phonophileA collector of phonograph records.phonophobeAn individual who suffers from phonophobia.phonophoreThe phonetic component of a character in Chinese and related writing systems.phonoscopeA device that shows images demonstrating the movement of a person's face as they speak.phorophyte(botany) Any plant on which an epiphyte growsphosgenite(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing carbon, chlorine, lead, and oxygen.photagogue(occultism) A bringer-in of light.photoanodeThe anode of a photoelectric cell.photocycle(biochemistry) To undergo a photochemical cyclephotodiode(electronics) A semiconductor two-terminal component whose electrical characteristics are light-sensitive.photodrome(dated) An apparatus consisting of a large wheel with spokes, which when turning very rapidly is illuminated by momentary flashes of light passing through slits in a rotating disk. By properly timing the succession of flashes, the wheel is made to appear to be motionless, or to rotate more or less slowly in either direction.photoguideA book serving as a guide to a topic and illustrated with photographs.photoimageA photographic imagephotolyase(biochemistry) An enzyme that repairs DNA that has been damaged by light.photophaseThe period of light during a day-night cycle.photophile(biology) Any organism that thrives in bright sunlight.photophobeOne who has an aversion to light.photophoneA combination highly-capable digital camera and smartphonephotophore(biology) A light-emitting organ, found in some fish and other marine animals.photophyte(biology, rare) Any epiphyte growing in a well-lit environmentphotoprobeA photoaffinity labeling reagentphotopulseA short pulse of lightphotoscopeAny of various instruments employed for the observation of light, luminous effects, or photographs.photovoiceA group analysis method combining photography with grassroots social action. Participants are asked to represent their communities or express their points of view through taking, presenting and collaboratively interpreting photographs.phoulourieAlternative spelling of pholourie.phraseableAlternative form of phrasable.phurcalite(mineralogy) An orthorhombic-dipyramidal yellow mineral containing calcium, hydrogen, oxygen, phosphorus, and uranium.phycophyte(biology, rare) Any seaweed or algaphylloniteA type of mylonitic rock that resembles a phyllite.phylocladeMisspelling of phylloclade.physeptoneA form of methadone.physiotope(geography) An area having uniform topographic, lithographic and other physical features.physiotypeAny of a set of people or organisms that have a particular set of physical featuresphysograde(archaic, zoology) Any siphonophore which has an air sac for a float.physostome(marine biology) A fish with a bladder open to its esophagus.phytaspase(biochemistry) A caspase of plant originphytobiome(biology) A plant biomephytoncide(biochemistry) Any volatile antimicrobial compound given off by a plant, especially one that prevents it from being eaten.phytophage(biology) herbivorephytophile(biology) Any organism that thrives around plantsphytoptineRelating to or characteristic of the phytoptidspianoforte(music, dated) A piano.pianologueA performance where one person plays a piano with a long speech.pianophileA lover of piano music.piazzalikeResembling a piazza.pibaxizine(pharmacology) A histamine 1 receptor antagonist.piberalineA psychoactive piperazine drug with stimulant and antidepressant properties.pibutidine(pharmacology) A histamine 2 receptor antagonist.picaresqueOf or pertaining to adventurers or rogues.picaridineMisspelling of picaridin.pichakaree(music, Trinidad and Tobago) A genre of Indo-Trinidadian folk music, sung in a mixture of English, Hindi, and Bhojpuri.pickcheese(UK, dialect, obsolete) The blue tit.picketableAble to be picketed.pickleable(computing) Capable of being pickled; serializable.picklelikeResembling or characteristic of a pickle.picklesomeCharacteristic or typical of a pickle (all senses)pickupable(colloquial) Capable of being picked up.picniclikeResembling or characteristic of a picnic.picnicwareDisposable plates, cups, etc. intended for use on picnics.picoampere(metrology) An SI unit of current equal to 10⁻¹² amperes. Symbol: pApicogramme(British spelling) Alternative spelling of picogram.picolinate(chemistry) Any salt or ester of picolinic acid.picotamide(pharmacology) A thromboxane synthase inhibitor and a thromboxane receptor inhibitor used in the treatment of clinical arterial thrombosis and peripheral artery disease.picturableCapable of being imagined.piemontite(mineralogy) A monoclinic sorosilicate mineral of the epidote group, reddish in colour.pierceableCapable of being pierced; penetrable.pierrotageA mixture of clay and small stones used in French Vernacular architecture of the Southern United States to infill between half-timbering with diagonal braces.pierrotite(mineralogy) An orthorhombic-pyramidal grayish black mineral containing antimony, arsenic, sulfur, and thallium.pigeonableCapable of being deceived; gullible.pigeonholeOne of an array of open compartments for housing pigeons in a dovecote or pigeon loft.pigeonlikeResembling or characteristic of a pigeon.pigmentateTo colour with pigments.pigmentize(transitive) To color with, or as if with, a pigment.pikurosideAn iridoid glycoside present in the medicinal plant Picrorhizapilastrade(architecture) A row of pilasters.pilferablethat can be pilferedpilgrimageA journey made to a sacred place, or a religious journey.pilgrimiseAlternative form of pilgrimize.pilgrimize(obsolete) To wander as a pilgrim; to go on a pilgrimage.pillarlikeResembling or characteristic of a pillar.pillowbereAlternative form of pillowbeer.pillowcaseA washable, easily removable cloth cover for pillows.pillowlikeResembling a pillow.pillowsideSynonym of bedside.pilothouse(nautical) A wheelhouse.pimagedineA diamine oxidase and nitric oxide synthase inhibitor, a former investigational drug for the treatment of diabetic nephropathy.pimelidateMisspelling of pimelimidate.piminodine(pharmacology) A particular narcotic painkiller.pimplelikeResembling or characteristic of a pimple.pimpmobile(slang) An extravagantly large or ornate automobile, presumably suitable for a pimp.pinacocyte(biology) Any of a group of flattened polygonal cells that together make up the pinacoderm in the dermal epithelium of sponges.pinacolate(organic chemistry) Any derivative of pinacol in which an atom is attached to the two oxygen atoms of pinacolpinacolone(organic chemistry) A ketone with a peppermint odour, used mainly in the synthesis of triazolylpinacolone to produce the fungicide triadimefon and in synthesis of the herbicide metribuzin.pinanamine(organic chemistry) Synonym of isopinocampheylamine.pincainideA particular anesthetic and antiarrhythmic.pincerlikeResembling or characteristic of a pincer.pincerwiseAs if with pincers.pinchforceAlternative form of pinch force.pingueculeAlternative form of pinguecula.pinguitude(archaic) fatness; obesitypinionlikeResembling or characteristic of a pinion.pinjrapole(India) An animal shelter of a type found almost exclusively in Gujarat.pinnigrade(zoology, obsolete) A pinniped.pinnothere(obsolete) A small crab of the genus Pinnotheres, which live symbiotically in the shells of certain molluscs.pinocytize(transitive) To ingest by pinocytosis.pinocytose(transitive, biology) To perform pinocytosis on.pinolcaine(pharmacology) An anesthetic drug.pintadoite(mineralogy) A tetragonal mineral containing calcium, hydrogen, oxygen, and vanadium.pinylamine(organic chemistry) An organic compound with chemical formula C₁₀H₁₅NH₂, obtained by the reduction of nitrosopinene.pipamazineA phenothiazine drug related to chlorpromazine.pipazetateA cough suppressant drug.pipebuzoneA nonsteroidal anti-inflammatory drug.pipecolate(chemistry) Any salt or ester of pipecolic acid.pipecoline(organic chemistry) Any methyl derivative of piperidine, but especially 2-methyl-piperidinepiperamideAn anthelminthic drug N-[4-[4-[3-(dimethylamino)propyl]piperazin-1-yl]phenyl]acetamidepiperazine(organic chemistry, countable) Any derivative of this compoundpiperidine(organic chemistry) An alicyclic heterocycle, containing 5 carbon atoms and one nitrogen atom, formally derived by the hydrogenation of pyridine; many of its derivatives are alkaloids or pharmaceuticalspiperidone(organic chemistry) Any of three isomeric compounds derived from piperidine by substituting a carbonyl for a methylene grouppiperitone(organic chemistry) The monoterpenoid ketone 6-isopropyl-3-methyl-1-cyclohex-2-enonepiperizineMisspelling of piperazine.piperolide(organic chemistry) The lactone (5E)-4-methoxy-5-[(E)-1-methoxy-3-phenylprop-2-enylidene]furan-2-one or any related compoundpiperylene(organic chemistry) A volatile flammable hydrocarbon consisting of a five-carbon chain with two double bonds, used as a monomer in the manufacture of plastics, adhesives and resins.piperyloneAn antispasmodic drug.pipofezineA tricyclic antidepressant.pipoxizineA histamine 1 receptor antagonist.piquindoneAn atypical tricyclic antipsychotic.piratelikeResembling or characteristic of a pirate.pirateware(computing) Pirated software.pirenoxineA medication used in the possible treatment and prevention of cataracts.piretanide(organic chemistry, pharmacology) A type of loop diuretic.pirlindoleAn antidepressant drug related to metralindole.pirssonite(mineralogy) An evaporite, consisting of a mixed sodium and calcium carbonatepissaphone(military, slang, vulgar) A urinal consisting of a funnel set into the ground.pistillate(botany) Having functional pistils.pistillode(botany) A sterile pistil in a male flower.pistolette(Louisiana) A stuffed and fried bread roll, eaten in the Cajun areas around Lafayette, Louisiana.pistollikeResembling or characteristic of a pistol.pistonlikeResembling or characteristic of a piston.pitchstone(geology) A natural glass, rich in microscopic crystallites, formed by the rapid cooling of lava or magma.pitheciineAny monkey of the subfamily PitheciinaepitofenoneAn antispasmodic drug.pivagabine(pharmacology) An antidepressant and anxiolytic drug.pivanilide(organic chemistry) Any anilide of pivalic acidpivenfrine(pharmacology) A sympathomimetic and mydriatic agent.pixantroneA particular immunosuppressant.pixelscape(computer graphics) A landscape constructed from pixels.placatableCapable of being placated.placentateHaving a placenta.placentome(biology) All the tissue associated with placentation (the cotyledon and the caruncle)placentoneSynonym of progesterone.plafibrideA particular antilipidemic and antiplatelet drug.plagiariseNon-Oxford British English standard spelling of plagiarize.plagiarize(ambitransitive) To use, and pass off as one's own, someone else's writing, speech, ideas, or other intellectual or creative work, especially in an academic context; to commit plagiarism.plagionite(mineralogy) A monoclinic-prismatic mineral containing antimony, lead, and sulfur.plagiosere(biology) A series of plant communities that are interrupted or disturbed by an outside agentplaguesomeThat is a plague.plainweaveAlternative form of plain weave.plaisaunceAlternative form of pleasance.planertreeAlternative form of planer tree.planetableAlternative form of plane table.planetcideThe act of killing all living creatures on a planet.planetlikeResembling or characteristic of a planet.planetside(science fiction) On a planet.planetwideThroughout a planet; covering a whole planet.plankhouseA house constructed by some Native Americans out of planks held together by ropeplankivoreMisspelling of planktivore.planophile(botany) Having the leaves more or less horizontal.plaquelikeResembling or characteristic of plaque.plasmacyte(immunology) A plasma cellplasmagene(genetics) A gene located in granules of the cytoplasm of a cellplasmalikeResembling or characteristic of plasma.plasmanateA commercial plasma protein fractionplasmidome(biology) All the plasmids present in an organismplasmocyte(immunology) A plasma cell.plasmolyseTo cause or undergo plasmolysis.plasmolyteSomething which has been or is plasmolysed, as in the term for temporary or permanent water loss in the vacuole of a plant cell.plasmolyzeTo cause or to undergo plasmolysis.plasticateTo transform into a plastic material.plasticeneAlternative form of plasticine.plasticineModeling clay.plasticiseAlternative spelling of plasticize.plasticize(transitive) To make something more plastic, especially by adding a plasticizerplastidomeThe entirety of the plastids of a cell.plastidule(biology) One of the small particles or organic molecules of protoplasm.plastinateA body, or body part, preserved by means of plastination.plastogene(genetics) The equivalent of a simple gene in plastidsplastosome(obsolete) Any of various organelles found within a cell, especially a mitochondrion.plastotype(genetics) A plastid genotype.platarsite(mineralogy) An isometric-diploidal gray mineral containing arsenic, platinum, rhodium, ruthenium, and sulfur.platescapeThe visual arrangement of food on a plate and the accompanying utensils, etc., regarded as a factor in the choices people make about their food intake.platetrope(archaic, anatomy) One of a pair of a paired organ.platyclade(botany) A cladodeplatyrhineAlternative form of platyrrhine.playcentreA building where children can be brought to play with toys and take part in games and educational activities.playerbaseAlternative form of player base.playmobileA vehicle that visits different neighborhoods to allow local children to play with recreational equipment.playschemeA scheme offering recreational activities for children.pleasaunceAlternative form of pleasance.pleaseableAlternative spelling of pleasable.pleasurize(transitive) To pleasure; to give pleasure to.plebeiance(obsolete) plebeianismplebiscite(by extension) An expression of the public's views on an issue, whether legally binding or not.plectonemeA loop of helices (especially of nucleic acid) twisted together such that they cannot be separated without breaking thempledgeableAlternative form of pledgable.pleiotrope(genetics) A pleiotropic geneplentitudeAbundance, fullness, completeness; an instance of this.pleurodire(zoology) Any of a group of side-necked turtles of the suborder PleurodiraplinthlikeResembling or characteristic of a plinth.plomestane(pharmacology) Propargylestrienedione, a steroidal irreversible aromatase inhibitor developed as an antineoplastic agent for the treatment of breast cancer.ploughable(British spelling) Alternative spelling of plowable.ploughbote(UK, law, historical) Wood or timber allowed to a tenant for the repair of instruments of husbandry.ploughgate(Scotland) The Scottish carucate or hide: a unit of land area and tax assessment intended to support a household.ploughlikeResembling or characteristic of a plough.ploughwiseMoving, like a plough on a field, alternately from left to right and from right to left.ploughzone(archaeology) The upper region of soil that has undergone ploughing.ploverlikeResembling or characteristic of a plover.pluderhoseShort, baggy trousers that are gathered tightly at the bottom.plumbylene(chemistry) plumbylidene, a divalent lead organometallic compound.plumpitudeAlternative form of plumptitude.plunderage(maritime law) The embezzlement of goods on shipboard.plungeableAble to be plunged or submerged.plurispore(botany) An algal spore that develops within a plurilocular sporangium.pluriverseSynonym of multiverse.plutophileA person who loves wealth, especially one who lives opulently.pneumatizeTo fill with air cavities.pneumatode(botany, histology) A group of cells presumed to be specialised as an airway for ventilation of particular tissues.pneumocyteA cell that is responsible for gas exchange in the alveoli in the lungspneumotypeAny of several distinct types of microorganism present in the lungspocketableAble to be put in one's pocket.pocketlikeResembling or characteristic of a pocket.podosphere(slang) The collective podcasting community.poetrylikeResembling or characteristic of poetry.pointscoreA competition score expressed in points.poisonableCapable of being poisoned.poisonlikeResembling or characteristic of poison.poisonsome(obsolete) poisonouspolarisomeA protein complex that controls cell polaritypolatoucheA Siberian flying squirrel (Pteromys volans, syn. Sciuropterus volans), native to much of boreal Eurasia, from Finland east.polemiciseNon-Oxford British English standard spelling of polemicize.polemicize(intransitive) To engage in argument.policeableThat can be policed.policelikecharacteristic of or resembling a police force.policywiseIn terms of policy.polishableThat can be polished.politesome(colloquial) In a politesome manner; politely.politicesePolitical jargon, language used by politicians.politicidePolitical suicidepoliticiseNon-Oxford British English standard spelling of politicize.politicize(intransitive) To engage in or discuss politics.politicore(music, uncommon) A subgenre of punk with overtly political themes.pollenlikeResembling or characteristic of pollen.polliniate(botany, palynology) Forming pollinia, coherent masses of pollen dispersed as a single unit.pollutableCapable of being polluted.polocrosseA team sport that is a combination of polo and lacrosse.poloxaleneA surface active drug.poloxamineAny of a family of copolymers of three long chains of ethylene oxide and a single chain of propylene oxide that are used as nonionic surfactantspolpettineSmall Italian meatballs.polyachene(botany) A fruit containing multiple achenespolyactideMisspelling of polylactide.polyactineThe ray of a polyactinal spongepolyargite(obsolete, mineralogy) muscovitepolybasite(mineralogy) A black ore consisting of silver, sulfur, and antimony, with some copper and arsenic.polyborate(inorganic chemistry) Any compound composed of many borate anionspolyborineRelating to the subfamily Polyborinae of falcons or its members.polybottleA bottle made from polyethylene.polybutene(chemistry) Any of a range of polymers of isobutene, used as adhesives and in rubber products.polycerate(of sheep) having multiple pairs of horns.polychaeteAlternative spelling of polychete.polychromeUsing multiple or many colours.polychroneA person who can multitaskpolydymite(mineralogy) An isometric supergene sulfide mineral, dark violet gray to copper-red, associated with the weathering of primary pentlandite nickel sulfide.polyethene(organic chemistry, official IUPAC name) Synonym of polyethylene.polyfusome(biology) A polymeric fusomepolygamiseAlternative spelling of polygamize.polygamize(intransitive) To practice polygamy: to marry more than one wife or husband.polygelinean intravenous colloid used in the prevention or treatment of shock associated with reduction in effective circulating blood volume due to haemorrhage or loss of plasma or electrolytes.polygenome(genetics) The collective genome of a community of related organismspolygoniseUK spelling of polygonize.polygonize(mathematics) To subdivide a plane into polygons.polygrooveAlternative form of polygrooved.polygyrate(malacology) Multiply gyrate, like the protoconches of various Gemmula ammonites. ?polyhalineVery brackishpolyhalite(mineralogy) A mineral usually occurring in fibrous masses, of a brick-red color, being tinged with iron, and consisting chiefly of the sulphates of lime, magnesia, and soda.polyhexose(organic chemistry) Any polysaccharide formed from hexose unitspolyiodide(chemistry) A iodide having more than one atom of iodine in the molecule.polyketide(organic chemistry) Any polymer whose monomer is a ketide.polyketone(chemistry) Any of several polymers whose repeat units are ketonespolylobateHaving many lobespolylysineA polypeptide (or section of a protein) consisting only of lysine residuespolymerase(biochemistry) Any of various enzymes that catalyze the formation of polymers of DNA or RNA using an existing strand of RNA or DNA respectively as a template.polymeride(organic chemistry) Polymer.polymerise(British spelling) Alternative form of polymerize.polymerize(transitive) (organic chemistry) To convert a monomer to a polymer by polymerization.polymerone(obsolete, chemistry) polymericpolypotome(surgery) An instrument used in polypectomy.polypurine(biochemistry) A continuous sequence of purines in a nucleic acid.polypyrene(chemistry) An electrically conducting polymer derived from pyrenepolyserine(organic chemistry) A polypeptide composed of only serine amino acidspolysilane(chemistry) Any of a range of polymers having a backbone of continuous silicon atomspolysleeveA clear plastic sleeve, usually closed on two or three sides, often used to contain CDs, trading cards, first day covers and other collectables.polysphere(mathematics) A product of spheres.polysquare(mathematics) a polyominopolystableHaving many stable formspolytelite(mineralogy) Synonym of freibergite.polytenizeTo undergo polytenizationpolytheize(ambitransitive) To adhere to, advocate, or inculcate the doctrine of polytheism.polytypageThe process of making polytype copies.polyvalineA polypeptide composed of valine monomerspolyvidonepolyvinyl pyrrolidonepomgramateObsolete form of pomegranate.ponderable(physics) Having a detectable amount of matter; having a measurable mass.ponderanceWeight; gravity.pondersomeMarked by pondering or musing; thought-provoking; pensive; puzzlingpontocaineSynonym of tetracaine.pontoniineAny shrimp of the subfamily Pontoniinae.poodlelikeResembling or characteristic of a poodle.poplarlikeResembling or characteristic of a poplar.popularise(transitive) To make something popular.popularizeAmerican and Oxford British spelling of popularisepopulicide(archaic) The deliberate slaughter of a people or a nation.poranosideA particular steroid glycoside.porcupetteA baby porcupine.pornophileA fervent consumer of pornography.pornophobeA person opposed to or that hates pornography and sexuality in the artspornophone(derogatory) A smartphone, with or without any pornographic content.pornotropeTo transform a person into nothing more than a physical body, enslaved to gratify violent and/or sexual impulses.pornstache(slang) A moustache that resembles one worn by an adult film actor, especially associated with the 1970s.poroxidaseMisspelling of peroxidase.porpentine(archaic) Porcupine.porphycene(organic chemistry) A structural isomer of porphyrin that acts as a photosensitizerporphyrineAlternative form of porphyrin.porphyriseAlternative form of porphyrize.porphyriteAny porphyritic rock.porphyrize(transitive) To cause to resemble porphyry; to render spotted like porphyry.porpintine(archaic) Alternative form of porpentine.portaledge(climbing) A portable tent system used by rock climbers to sleep in during a climb lasting multiple days.portentiveportentous; prophetic; acting as a presage.porterlikeResembling or characteristic of a porter (person employed to carry things).portmantleObsolete form of portmanteau.positivizeTo make positive, or to emphasize a positive aspectposnjakite(mineralogy) A particular mineral containing copper, sulphur, hydrogen, and oxygen.possessiveOf or pertaining to ownership or possession.possumlikeResembling a possum or some aspect of it.postbattleAfter a battle.postbounce(astronomy) Describing the period following the bounce of a collapsing stellar corepostbubbleOccurring after the collapse of an economic bubblepostcanineSituated behind the canine teeth.postchaiseAlternative form of post chaise.postcourseFollowing a course, such as of training or medical treatmentpostcreole(linguistics) After a creole; after decreolization has taken place.postdebateAfter a debate.postdecreeAfter a decree.postdilateTo dilate after another processpostehaste(now rare) As fast as possible; with all possible haste.posteretteA small poster.posterlikeHaving the character of a poster; iconicpostessive(grammar) Indicating a position behind something.postfreezeAfter the process of freezing something.postgavageFollowing gavagepostgoniteEither of a pair of terminalia laterally encircling the basiphallus of a dipteranpostgrungeA subgenre of alternative rock from the mid-1990s, using the sounds and aesthetic of grunge, but with a more commercially acceptable sound.posthippieAfter the era of the hippies.postillateTo write (postils or similar); to comment.postimmuneFollowing an immune responsepostjudiceAn opinion or bias acquired after the fact, or after a given event.postlunate(anatomy) posterior to the lunate bonepostmatureStill not born after the usual period of gestation; exhibiting postmaturity.postofficeAlternative form of post office.postremoteMore remote in subsequent time or order.postsavageAfter an era of primitive savagery.postscribe(archaic) To make or add a postscript.poststrikeOccurring after a strike (work stoppage as protest).poststroke(pathology) Following a stroke (loss of brain function)postviable(medicine) After the limit of viability; already viable.postyuppieAfter the era of the yuppies.potabilize(transitive) To purify (water) to make it safe to drink.potatolikeResembling or characteristic of a potato.potbrownie(very rare) Alternative spelling of pot brownie.potentiate(transitive) To endow with power.poulardize(transitive) To spay (a hen).pounceableSuitable to be pounced on.pourcuttle(obsolete) A cephalopod with tentacles; an octopus or cuttlefish.poutinerie(chiefly Canada) A restaurant that specializes in making poutine.powderableThat can be powdered.powderlikeResembling powder.powerhouseA power station; the building housing a power stationpowerslideAlternative form of power slide.poysonableObsolete form of poisonable.praemunireThe writ charging a person with this offence, the writ of praemunire facias.pragmatiseAlternative form of pragmatize.pragmatize(intransitive) To consider, represent, or embody (something unreal) as fact; to materialize.praisesome(rare) Characterised or marked by praise; praiseworthyprajmalineAn antiarrhythmic drug, a semisynthetic propyl derivative of ajmaline.pramindole(dated) iprindolepramocaine(pharmacology) A topical anaesthetic used as an antipruritic.prancesome(rare) Characterised or marked by prancingpraseolite(mineralogy) A variety of altered iolite with a green colour and greasy lustre.prasiolite(mineralogy) Synonym of vermarine.prasterone(pharmacology) Dehydroepiandrosterone.pratincoleAny of several species of birds in the genera Glareola and Stiltia.pratiosideA particular steroid glycoside.prayerlikeResembling a prayer.prayersomeCharacterised or typified by prayer or praying; prayerfulprayerwiseIn the manner of a prayer.preachableCapable of being preached.preacquire(transitive) To acquire in advance.preadipose(biology) Describing a cell or tissue that may be stimulated to become adiposepreallable(obsolete, rare) Preliminary; previous.preamylase(biochemistry) A precursor of amylasepreanalyse(transitive) To carry out preanalysis upon.preanalyzeAlternative form of preanalyse.preapprove(transitive) To approve beforehand, before execution or implementation.prearrange(transitive) To arrange in advance.prebedtimeBefore bedtime.precalcine(transitive) To calcine in advance.precaptureBefore capture.precedableAble to be preceded.precedenceThe state of preceding in importance or priority.preceptive(law) Of, pertaining to, or based on preceptspreclosureBefore closure.preclusiveServing to preclude.precognizeTo display or have precognition; to have (paranormal) knowledge of a future event before it occurs.precollegeOccurring before, or in preparation for, collegeprecombineTo combine in advance.precompile(computing) To compile in advance.precompose(transitive) To compose beforehand.precompute(transitive) To compute in advance; to precalculate.preconsume(transitive) To consume beforehand.preculture(biology) A preliminary culture; a culture prepared in advance of the main experimentprecuneate(anatomy) Relating to, or resembling, the precuneusprecursivePreceding; introductory; precursory.predaytimeBefore daytime.predazzite(mineralogy, obsolete) A substance formed from dolomite by volcanic agency, once thought to be a distinct mineral species.predeceaseThe death of one person or thing before another.predeclare(transitive) To declare or announce beforehand.predentateBefore the teeth have developed.predentineAlternative form of predentin.predestine(transitive) To determine the future or the fate of something in advance; to preordain.predicableCapable of being predicated or affirmed of something; affirmable; attributable.predictiveUseful in predicting.prediseaseOf or relating to a predisease (such as prediabetes or prehypertension), as with predisease states or predisease stage.predisposeTo make someone susceptible to something (such as a disease).predisputeBefore a dispute.predivorceBefore a divorce.predjudiceMisspelling of prejudice.prednisone(pharmacology) A glucocorticoid C₂₁H₂₆O₅ that is a dehydrogenated analog of cortisone, used to relieve rheumatic and allergic conditions and to treat leukemia.predophileA pedophile who is predatory; a predator who is pedophilic.preemptiveOf or relating to preemption.preexamine(transitive) To examine beforehand.prefatigueBefore the onset of fatigue.prefectureThe office or position of a prefect.preferableBetter than some other option; preferred.preferenceThe option to so select, and the one selected.prefertilePrior to becoming fertileprefidence(obsolete) The quality or state of being prefident.prefinance(transitive) To finance in advance.prefixableCapable of being added as a prefix.prefixlike(linguistics) Resembling or characteristic of a prefix.pregnanone(organic chemistry) Any ketone derived from pregnanepregravate(rare) To bear down; to depress.prehensile(zoology) Able to take hold of and clasp objects; adapted for grasping especially by wrapping around an object.prehormone(biochemistry) A substance secreted by glandular tissue that has little or no significant biological activity, but is converted in peripheral tissues into an active hormone.prehydrateto hydrate in advance (of e.g. exercise, a drought)preimagine(transitive) To imagine in advance.preincline(transitive) To incline (influence in a particular direction) in advance.preinclude(transitive) To include beforehand.preisolateTo isolate prior to some other operationprelectureBefore a lecture.premachine(transitive) To machine in advance.premeasure(transitive) To measure in advance.premixtureSomething premixedpremontaneDescribing the zone immediately below the montane zonepreominate(obsolete, rare) To feel foreboding about; to prophesy.preopercleThe preoperculum.prepackage(transitive) To enclose in packaging prior to sale.preparableCapable of being prepared.prepayableTo be paid, or paid for, in advance.prepensiveprepense; planned beforehandprepeptide(biochemistry) The part of an enzyme that is directed to a specific part of a cell before becoming a proteinprephenate(organic chemistry) Any salt or ester of prephenic acid.preplacodethat happens before the placode developsprepontine(anatomy) anterior to the ponspreprepare(transitive) To prepare in advance.preprobate(law) Before probate.preproduce(transitive) To produce in advance.prepromiseBefore a promise is made.preprovide(transitive) To provide beforehand.prequeliseAlternative spelling of prequelize.prequelize(transitive, informal) To release a prequel to a work.prerelapseBefore a relapse.prereleaseBefore release.prerequireTo require beforehand.preresolveTo resolve beforehand; to predetermine.preretireeA person who has not yet retired from employment.preroutineA routine carried out in advance of something else.presaccadeBefore a saccade.prescienceKnowledge of events before they take place.prescribeeA person who is prescribed some medication.preseizure(immediately) prior to a seizurepresentiveBringing a conception or notion directly before the mind; presenting an object to the memory of imagination.preserviceOccurring prior to the provision of a service.presidenceObsolete form of presidency.presidenteA Cuban cocktail made from rum, curaçao, dry vermouth, and grenadine that is stirred or shaken with cracked ice.pressurageThe juice of the grape extracted by the press.pressuriseNon-Oxford British English standard spelling of pressurize.pressurizeTo put (physical) pressure on; to put under pressure.prestoragePrior to storage.prestriateIn front of the striate cortex of the eyepresuicideOccurring before suicide.presumable(uncommon) Capable of being presumed, or being presumed as such.presunriseBefore sunrise.presupposeTo assume some truth without proof, usually for the purpose of reaching a conclusion based on that truth.presurmiseA surmise previously formed.presynapseA presynaptic neuronpresyncope(medicine) Lightheadedness, muscular weakness, and feeling faint, although not reaching the extent of fainting (passing out).presystolecardiac contraction that follows the diastole and precedes the systolepretannageThe process of pretanning.preteenageYounger than teenage; often specifically of an age shortly before the teens, such as 10-12.pretensive(now rare) Pretended; feigned.pretergiteThe anterior of a tergitepretextureA texture that is applied beforehand.pretheatreCommonwealth standard spelling of pretheater.pretortureBefore torture.prettysomeCharacterised or marked by prettinesspretzelise(UK) Alternative spelling of pretzelize.pretzelize(ambitransitive) To bend, twist, or contort; to pretzel.prevaccineBefore a vaccine, or before the use of vaccines generally.prevacuole(biology) An endosome that develops into a vacuoleprevalanceMisspelling of prevalence.prevalenceThe quality or condition of being prevalent; wide extension or spread.prevelanceMisspelling of prevalence.prevenance(uncountable) A going before; anticipation in sequence or order.preventivePreventing, hindering, or acting as an obstacle to.previsible(uncommon) foreseeableprewartimePrior to wartime; prewar.prewelfareBefore the introduction of the welfare system.pricklouse(derogatory, archaic) A tailor.prickteaseAlternative form of prick tease.priestlikeResembling or characteristic of a priest.prilocaine(pharmacology) A local anesthetic related to lidocaine and used in the form of its hydrochloride C₁₃H₂₀N₂O·HCl as a nerve block for pain especially in surgery and dentistry.primaquine(pharmacology) A synthetic compound derived from quinoline, used as a medication in the treatment of malaria and pneumocystis pneumonia.primiparaeplural of primiparaprincelikeResembling or characteristic of a prince.principateThe office of one who is principal or preeminent (such as a prince); the quality or status of being principal; preeminence.pringleite(mineralogy) A triclinic-pedial mineral containing boron, calcium, chlorine, hydrogen, and oxygen.prioritiseBritish standard spelling of prioritize.prioritize(transitive) To value, do, or choose something first, or before other things.prismatine(mineralogy) An orthorhombic-dipyramidal mineral containing aluminum, boron, fluorine, hydrogen, iron, magnesium, oxygen, and silicon.prismatize(transitive) To separate (light) by means of a transparent prism.prisonableSynonym of imprisonable (“carrying a sentence of imprisonment”).prisonlikeResembling or characteristic of a prisonpristinate(obsolete) pristine; primitivepriveledgeObsolete spelling of privilege.priviledgeObsolete form of privilege.privilegee(rare) One who benefits from a privilege.probertite(mineralogy) A monoclinic-prismatic colorless mineral containing boron, calcium, hydrogen, oxygen, and sodium.problemiseTo make a problem of; to treat as problematic.problemizeAlternative form of problemise.procaryoteAlternative spelling of prokaryote.procaspase(biochemistry) Any of a family of proteins that are the precursors of caspaseproceptiveOf or pertaining to proceptionprocessiveGoing forward, advancing, progressive.processome(biochemistry) A complex of proteins associated with ribosome biogenesis.prochymase(biochemistry) Any compound that develops into a chymaseprocidence(medicine) A falling down; a prolapsus.proclinate(anatomy) inclined, directed, or leaning forward, as in the teeth of some mammals and bristles on the frons of many insectsproconcave(malacology) In reference to ribs on shells, with the shape of a concave bend towards the aperture, but initially straight.proconiineOf or relating to the tribe Proconiini of the subfamily Cicadellinae.proctocele(medicine) Inversion and prolapse of the mucous coat of the rectum, from relaxation of the sphincter, with swelling.proctorage(obsolete) Management by a proctorproctorise(transitive, UK, university slang, archaic) To summon (a person) before the proctor of a university.proctorizeAlternative form of proctorise.procurableAble to be procured.procuranceAcquisition; procurement.procursive(medicine) Running forward, as the patient does in certain forms of epilepsy.procuticle(biology) The major portion of the exoskeleton of an insect or arthropodprocyonineOf, or pertaining to, a raccoon.prodigence(archaic) wastefulness; profusionproducibleAble to be producedproductiseAlternative form of productize.productiveCapable of producing something, especially in abundance; fertile.productize(transitive) To make something into a product, especially a commercial product.profanableAble to be profaned.profilableAble to be profiled.profitableProducing a profit.profitsome(informal, regional) Characterised or marked by profitprofitwiseIn terms of profit.proflavine(organic chemistry) A disinfectant, acridine-3,6-diamine, bacteriostatic against many gram-positive bacteriaprofligateInclined to waste resources or behave extravagantly.profluence(obsolete) Onward flow; current.proglumideA cholecystokinin antagonist drug that inhibits gastrointestinal motility and reduces gastric secretions.prohormone(biochemistry) A substance that is a precursor to a hormone, usually having minimal hormonal effect by itselfprojectileAn object intended to be or having been shot from a weapon.projectiseAlternative form of projectize.projectiveprojecting outwardprojectizeTo organize using project management techniques such as defined deliverables, fixed timeframes, performance goals, project-based budgets, etc.projectomeAll the neural projections within a brainprojecture(archaic) Something that juts out beyond a surface; a projection.prokaryoteAn organism whose cell (or cells) are characterized by the absence of a nucleus or any other membrane-bound organelles.proletaireSynonym of proletarian.prolintaneA stimulant of norepinephrine-dopamine reuptake inhibitors.prologuiseAlternative form of prologuize.prologuize(intransitive) To deliver or create a prologue, as for an oration or for a written or musical work.prolongateSynonym of prolong.promethate(inorganic chemistry) Any oxyanion of promethium; any salt containing such an anion.prominenceThe state of being prominent: widely known or eminent.promisableAble to be promised.promissiveMaking or implying a promise; promising.promotableAble to be promoted; eligible for promotion.promptableAble to be prompted.promulgate(transitive) To make known or make public.proniosomeA dry material that forms niosomes in waterpronograde(zoology) Walking with the length of the body parallel to the ground.propadiene(organic chemistry) the simplest allene, CH₂=C=CH₂propagableCapable of being propagated.propanoate(organic chemistry) Any salt or ester of propanoic acid; propionate.propedeuseA diploma obtained after completion of a first year's (preparatory) study at some European universities.propenoate(chemistry) Any salt or ester of propenoic acid.propensiveHaving or relating to a propensity toward something.propeptideAlternative form of pro-peptide.propeptone(biochemistry) A product of gastric digestion intermediate between albumin and peptone, identical with hemialbumose.prophecise(uncommon, perhaps nonstandard) To prophesy.prophesize(proscribed) To prophesyprophetizeTo act as a prophet; to prophesy; to make prophecies.propiolate(organic chemistry) Any salt or ester of propiolic acid.propionate(organic chemistry) Any salt or ester of propionic acid.propitiate(transitive) To conciliate, appease, or make peace with someone, particularly a god or spirit.proposableCapable of being proposed.propulsiveOf or pertaining to propulsionproquazoneA nonsteroidal anti-inflammatory drug.proradiate(malacology) Synonym of prorsiradiateproratabledivisible pro rata (proportionately); capable of being prorated.prosaptide(biochemistry) A glycoprotein related to prosaposinproscaline4-propoxy-3,5-DMPEA, a psychedelic and hallucinogenic drug.proscienceIn favour of science or its methods or the scientific establishment.prosecuteeSynonym of defendant.proseriateAny flatworm of the order Proseriataprosocoele(anatomy) The entire cavity of the prosencephalon.prosperite(mineralogy) A monoclinic-prismatic mineral containing arsenic, calcium, hydrogen, oxygen, and zinc.prostaleneA prostaglandin analogue.prostamide(organic chemistry) The ethanolamide of a prostaglandinprostasomeA membranous vesicle secreted by the prostate gland into the semenprostibule(rare) A brothel.prostituteTaking part in promiscuous sexual activity, licentious; (later, chiefly as attributive use of noun) that is a prostitute.prostriate(entomology) Describing ticks (of the order Ixodida) in which the anal groove of the adult is in front of the anusproteamineMisspelling of protamine.proteasome(biochemistry) A complex protein, found in bacterial, archeal and eukaryotic cells, that breaks down other proteins via proteolysis.protectiveServing or intended to protect.protectope(biochemistry) A protective epitopeproteinase(biochemistry) proteaseproteinate(organic chemistry) An anion derived from a protein.protensiveDrawn out; extended.proteolyseAlternative form of proteolyze.proteolyzeTo lyse or split a proteinproteosomeAlternative spelling of proteasome.protestiveExpressing protest.prothixeneA sedative and hypnotic drug.protiodide(inorganic chemistry) An iodide containing a lower proportion of iodine than any other iodide of the same substance or series.protiofateA drug used in gynecology.protobulge(astronomy) A group of stars that accumulate into a galactic bulge.protoclone(genetics) One of the first organisms produced by a cloning regimeprotocnemeA primary mesentery of a zoantharian coelenterateprotologue(botany, mycology) All the original material associated with a newly published name, comprising its description or diagnosis and any of a number of other elements such as illustrations, synonymy, etc.protonlikeHaving the characteristics of a protonprotophaseThe instantaneous phase of an oscillation such as a heartbeatprotophyte(biology) Any of various primitive organisms such as the slime moldsprotoptileA feather in the first set of down in a bird that has two such setsprotospineA structure that develops into a spineprotospore(biology) A uninucleate body from which a spore developsprotostane(organic chemistry) A steroid hydrocarbon tetramethyl-nor-cholestane that is a precursor of many triterpenoids and other steroidsprotostateAn inchoate state; a geopolitical entity that might develop into a state.protostele(botany) A type of stele, in which the vascular tissue in the stem forms a solid core, with no central pith or leaf gaps.protostomeAny animal, of the taxon Protostomia, in which the mouth is derived from the embryonic blastoporeprotostyle(dentistry) A style in front of the protocone, in the protoflexus.prototheme(onomastics) The first element of a name composed of two traditional name roots.protothereprototherianprotozoiteSynonym of trophont.protriaeneA spicule, of a sponge, that has three forward-pointing prongsprotrusileCapable of being protruded.protrusivethat protrudes; protrudingprotusibleMisspelling of protrusible.protussive(medicine) Enhancing coughing, either by making coughing more frequent or by increasing expectoration.provaccineAlternative form of pro-vaccine.provacuole(cytology) A vesicle in a cell's cytoplasm that develops into a vacuole.provenancePlace or source of origin.providableCapable of being provided.providence(now rare) Preparation for the future; good governance; foresight.provocableThat can be provokedprovokableThat may be provoked.provulgateTo publish, to make public; promulgate.prudhommie(rare, now historical) Character typical of a prudhomme; trustworthiness, loyalty.psalmodiseAlternative form of psalmodize.psalmodize(ambitransitive) To write or sing psalms.psammosereA sere originating on coastal sand.pselaphineAny beetle in the subfamily Pselaphinae.pseudobase(chemistry) Any compound that is readily converted into an isomeric form that is basicpseudoceleAlternative form of pseudocoel.pseudocideA death, or suicide attempt, that is faked.pseudocodeAny format or language that resembles a programming language but is not.pseudocone(zoology) One of the soft gelatinous cones found in the compound eyes of certain insects, such as the dragonfly, taking the place of the crystalline cones of others.pseudofile(computing) A file that does not represent a file on the underlying file system on disk, but instead is automatically generated to represent some other object in the form of a file (for example '/proc/cpuinfo' in Linux).pseudogameAn activity or situation with certain aspects of a game.pseudogene(genetics) A segment of DNA that is part of the genome of an organism, and which is similar to a gene but does not code for a gene product.pseudogyneAn agamic or asexual female of certain insect species, such as plant-lice, that reproduce by parthenogenesis.pseudoholeA depression in the epiretinal membrane at the fovea that does not make a complete hole in the membranepseudolifeSomething that has many of the characteristics of life but which is not life.pseudoline(topology) A curve that shares certain topological properties with a line.pseudoliteSomething that is not a satellite but performs a function typical of satellites.pseudomaleAn apparently male pseudohermaphroditepseudopore(biology) A structure that resembles a pore but is not a true pore.pseudotime(biology) An inferred time in the development of a cell.pseudotype(biology) A viral vector having envelope proteins from two types of viruspseudowire(computing, telecommunications) An emulation of a point-to-point connection over a packet-switching network.psilophyteAny plant that is adapted to live in a savannahpsittacineOf or pertaining to parrots.psychomime(linguistics) A word or phrase that depicts a certain psychological state or bodily feeling.psychosine(biochemistry) An intermediate (sphingosine galactoside) in the biosynthesis of cerebrosides.psycultureThe subculture associated with psytrance and related music genres.pteroenone(chemistry, biology) A hydroxyketone synthesized by Clione species as a defense against being eaten.pterophore(zoology) Any moth of Pterophorus and allied genera; a plume moth.pterophyte(botany) Any fern (of division Pteridophyta).pterygiate(rare) Having a pterygium or pterygia.ptychonome(entomology) An enclosure formed (of leaves) by some organisms of the order Lepidoptera; a tentiform mine.pubescenceThe state of being in or reaching puberty.pubopenileOf or pertaining to both the pubis and the penis; as (usually, more specifically) located at the root of the penis, near the pubis.puckerableAble to be puckered.puckersomeCharacterised or marked by puckeringpuddlelikeResembling or characteristic of a puddle.puddlesomeCharacterised by puddles or puddlingpulicicideAny insecticide that kills fleaspulleylikeResembling or characteristic of a pulley.pulmograde(zoology, archaic) Swimming by means of jet propulsion.pulsarlikeResembling or characteristic of a pulsar.pulsatance(physics) angular frequency (in radians per second)pulverableCapable of being reduced to fine powder.pulviplumeA feather yielding powder down.pumicelikeResembling or characteristic of pumice.pumilosideA glucosidic alkaloid found in Ophiorrhiza pumila.punctulateMarked with small punctures or spots.punicoside(organic chemistry) Any of various derivatives of punicic acidpunishableSubject to punishment; appropriate for punishment.pupperwareDog products marketed through in-home parties.puppetlikeResembling or characteristic of a puppet; mechanical, controlled by another.purgatorieObsolete spelling of purgatory.purifiableCapable of being purified.purinosomeAn organised group of enzymes that together carry out the biosynthesis of purines in cellspuritaniseAlternative form of puritanize.puritanize(ambitransitive) To agree with, or teach, the doctrines of Puritans; to conform to the practice of Puritans.puromycineAlternative spelling of puromycin.purtenance(obsolete) possession (something that belongs to someone)purveyableAble to be purveyed.purveyanceThe act of purveying.pushmobileAn improvised wheeled vehicle propelled by pushing, used in children's races.pussyjuiceAlternative form of pussy juice.putoranite(mineralogy) An isometric-hexoctahedral brass yellow mineral containing copper, iron, and sulfur.putresceneAlternative spelling of putrescine.putrescineA diamine, NH₂(CH₂)₄NH₂ (1,4-diaminobutane or butanediamine), produced by the breakdown of amino acids in living and dead organisms.puzzlelikeHaving the nature of a puzzle.puzzlesomeMarked by puzzling, puzzlement, or perplexity; perplexing; bewilderingpycnoclineA boundary layer in a body of water between areas of different temperature or salinity.pycnofibre(paleontology) Any one of the hair-like filaments that comprised an integument of some pterosaurs.pycnospore(botany) Synonym of stylospore.pycnostyle(architecture) Having an intercolumniation of 1.5 times the diameter of the shaft of a column.pyjamalikeAlternative spelling of pajamalike.pyocyanineAlternative form of pyocyanin.pyoverdine(biochemistry) A fluorescent siderophore produced by the bacterium Pseudomonas aeruginosapyralspiteA form of garnet consisting of a solid solution series of pyrope, almandine, and spessartine.pyramidineMisspelling of pyrimidine.pyramidize(transitive) To form into a pyramidpyranoside(biochemistry) Any glycoside of a pyranosepyrazinone(organic chemistry) A heterocyclic amide derived from pyrazinepyrazolate(organic chemistry) Any pyrazole carboxylatepyrazolide(organic chemistry) The anion produced when a hydrogen ion is removed from pyrazole.pyrazoline(organic chemistry) A five-membered heterocycle containing three carbon atoms, two adjacent nitrogen atoms and one double bondpyrazolone(organic chemistry) A five-membered unsaturated heterocyclic ketone (or lactam), derived from pyrazole, that is the basis of several pharmaceuticalspyrenocyteA transient cell derived from an erythroblast by removal of the nucleus.pyrenylene(organic chemistry) Any cyclic polymer of pyrenepyrethrineObsolete form of pyrethrin.pyridazine(organic chemistry) A diazine in which the two nitrogen atoms are in the ortho- positions; many of its derivatives are pharmaceuticals, herbicides etcpyridinone(organic chemistry) An unsaturated cyclic amide formally derived from pyridinepyridosine(organic chemistry) The amino acid (2S)-2-amino-6-(5-hydroxy-2-methyl-4-oxopyridin-1-yl)hexanoic acid found in heated milkpyridoxateAny salt or ester of a pyridoxic acidpyridoxine(biochemistry) A derivative of pyridine, 4,5-bis(hydroxymethyl)-2-methylpyridin-3-ol, found in fish, liver, cereals and yeast, and essential for the metabolism of amino acids and starch.pyrimidine(organic chemistry) A diazine in which the two nitrogen atoms are in the meta- positions; it is the basis of three of the bases found in DNA and RNA: thymine, uracil and cytosinepyrimidole(organic chemistry) Any alcohol that has a pyrimidine substituentpyrimidone(organic chemistry) Either of two heterocyclic compounds, with chemical formula C₄H₄N₂O, whose derivatives are the basis of many other biological molecules.pyrinolineAn antiarrhythmic drug.pyrithione(organic chemistry) The tautomeric compound 1-hydroxy-2(1H)-pyridinethione (thione form) or 2-pyridinethiol 1-oxide (thiol form)pyroaurite(mineralogy) A trigonal-hexagonal scalenohedral mineral containing carbon, hydrogen, iron, magnesium, and oxygen.pyroborate(chemistry) Any salt of pyroboric acid.pyrochlore(mineralogy) A mineral whose composition is that of a mixed niobate mostly of sodium, calcium and cerium, (Na,Ca)₂Nb₂O₆(OH,F).pyrolidineMisspelling of pyrrolidine.pyrolidoneMisspelling of pyrrolidone.pyrolusite(mineralogy) A dark coloured mineral, consisting of manganese dioxide (MnO₂), that is an important ore of manganese.pyrolysate(chemistry) Any product of pyrolysispyrolysize(transitive) To subject to pyrolysis.pyrolyzateAlternative form of pyrolysate.pyromalate(obsolete, chemistry) Any salt or ester of pyromalic acid (now known as maleic acid).pyromucate(organic chemistry) Any salt or ester of pyromucic acid.pyromuciteAny salt of pyromucous acidpyrosphere(geology, dated) The zone of igneous activity and lava formation, situated between the lithosphere and barysphere.pyroxamide(organic chemistry) The carboxylic acid derivative of pyridine N'-hydroxy-N-pyridin-3-yloctanediamidepyroxamineA chemical analog of diphenylpyraline.pyroxenite(geology) A heavy, dark igneous rock consisting mostly of pyroxene minerals with smaller amounts of olivine and hornblende.pyroxidineMisspelling of pyridoxine.pyroxylineArchaic form of pyroxylin.pyrrholite(mineralogy) An aluminosilicate pinite of calcium and potassiumpyrrhonize(intransitive) To be sceptical; to practise Pyrrhonism.pyrrhotine(mineralogy) pyrrhotitepyrrhotite(mineralogy) A weakly magnetic ferrous sulfide mineral, FeS.pyrrhulineRelating to bullfinches of the genus Pyrrhula.pyrrocaine(pharmacology) An anesthetic drug.pyrrothine(organic chemistry, medicine) Any of a class of antibiotics derived from dithiolopyrrolonepyruvamide(organic chemistry) The amide of pyruvic acid CH₃-CO-CONH₂pythonlikeCharacteristic of or resembling a python; pythonic.