Other Ending Letters

All 867 Matching Words

pachyrukhineAny extinct animal of the subfamily PachyrukhinaepackinghouseA facility where harvested food is processed into a salable condition.paenungulate(zoology) Any animal of the clade Paenungulata.pafuramidineAn experimental drug for the treatment of pneumocystis pneumonia.paintinglikeResembling a paintingpalaeocourseA prehistoric course (of a river)palarstanide(mineralogy) A hexagonal-trapezohedral steel gray mineral containing arsenic, palladium, and tin.palatschinkeA pancake of a thin crepe-like variety common in the Balkans, Central and Eastern Europe.palenzonaite(mineralogy) An isometric-hexoctahedral wine red mineral containing arsenic, calcium, manganese, oxygen, silicon, sodium, and vanadium.paleoclimate(geology) The climate of the Earth at a specified point in geologic time.paleoscienceAlternative spelling of palaeoscience.paleosurfaceA surface (of the Earth) as it existed in prehistoric times.palindromize(transitive, rare) To turn into a palindrome.paliperidone(pharmacology) 9-hydroxyrisperidone, an atypical antipsychotic drug.palladacycle(organic chemistry) Any of several groups of organometallic heterocycles containing an atom of palladium in the ring; they are used as coupling catalystspalladiumize(transitive) To coat with palladium.palletisableAlternative spelling of palletizable.palletizableSuitable for palletization.palmitoleateAny salt or ester of palmitoleic acid.palmitoylateTo (cause to) undergo palmitoylationpalmitoylome(biochemistry) All the protein palmitoylations of an organismpalonidipine(pharmacology) A calcium channel blocker.palovarotene(organic chemistry, pharmacology) A highly selective retinoic acid receptor gamma (RAR-γ) agonist, used to treat heterotopic ossification and fibrodysplasia ossificans progressiva.palygorskite(mineralogy) Synonym of attapulgite.pancrelipaseA mixture of porcine-derived pancreatic amylase, pancreatic lipase, and chymotrypsin, used in the treatment of some digestive disorders.panegyricize(transitive) To deliver a panegyric upon; to praise publicly.panendoscopeAn endoscope used in panendoscopypanleukocyteRelating to all the leukocytes of an organismpanpulmonateAny slug or snail of the order PanpulmonatapansensitiveResponsive to treatment with any of a number of classes of drug.pansentienceThe concept of all things having sentience.pansexualizeTo make pansexual.pantelephone(historical) An early device for voice transmission, in which the contact of variable resistance is formed between a fixed piece of platinum and a small carbon lozenge attached to a plate of cork suspended by two springs on the upper part.pantelleriteA kind of volcanic rock, a peralkaline rhyolite with more iron and less aluminium than comendite.pantestudineAny reptile of the clade Pantestudines, which are more closely related to turtles than any other animals.pantolactone(organic chemistry) The lactone of 2,4-dihidroxy 3,3-dimethyl butanoic acid that is related to pantothenic acidpantoprazole(pharmacology) A benzimidazole derivative (trademark Protonix) that inhibits gastric acid secretion and is administered in the form of its sodium salt C₁₆H₁₄F₂N₃NaO₄S to treat erosive esophagitis and disorders (as Zollinger–Ellison syndrome) involving gastric acid hypersecretion.pantothenate(chemistry) Any salt or ester of pantothenic acid.papaverolineA vasodilator.papulonoduleA papular nodule.papyroxyline(obsolete) Alternative form of papyroxylin.paracentrone(organic chemistry) A particular carotenoid.parachutableCapable of being deployed by parachute.paraciticideMisspelling of parasiticide.paradiapause(biology) facultative diapauseparadiastole(rhetoric) A form of euphemism in which a positive synonym is substituted for a negative word.paradisaeineRelating to or characteristic of the paradisaeidsparadoxurineOf, or pertaining to, the genus Paradoxurus.parafascioleA broad zone next to the fascioleparafossetteSynonym of paraflexus.paragraphize(transitive) To arrange into paragraphs.paralanguage(linguistics) The non-verbal elements of speech, and to a limited extent of writing, used to modify meaning and convey emotion, such as pitch, volume, and intonationparallelableCapable of being paralleled, or equalled.paralstonite(mineralogy) A trigonal-trapezohedral mineral containing barium, calcium, carbon, and oxygen.paramedicine(medicine) That field of medicine practiced by paramedics.parameterise(British spelling) Alternative form of parametrise.parameterize(transitive) To describe in terms of parameters.paramorphine(toxicology) A poisonous alkaloid, also known as thebaine, obtained from opium; not used in medicine; but used as a precursor for the manufacture of some medicines.paranatisite(mineralogy) An orthorhombic-pyramidal mineral containing oxygen, silicon, sodium, and titanium.paranoialikeResembling or characteristic of paranoia.paranucleate(cytology) Near and outside of the nucleus.paraotwayite(mineralogy) A monoclinic-domatic emerald green mineral containing carbon, hydrogen, nickel, oxygen, and sulfur.paraparticle(physics) The equivalent of a particle in any of several parastatisticsparaperigoneparaperigoniumparaprostateAlternative form of paraprostatic.paraquadrateSynonym of squamosal.parasequence(geology) A relatively conformable, genetically related succession of beds and bedsets bounded by marine flooding surfaces and their correlative surfaces.parasitelikeResembling or characteristic of a parasite.parasiticideAny substance used to kill parasites.paraspurrite(mineralogy) A polysynthetically twinned spurriteparatacamite(mineralogy) A rhombohedral form of basic copper chloride that is dimorphous with atacamiteparathiazineA histamine 1 receptor antagonist.parathormoneSynonym of parathyroid hormoneparatopotype(biology) A paratype found in the same locality as the holotypeparaxanthine(organic chemistry) A metabolite of caffeine.parbendazoleThe benzimidazole anthelmintic methyl N-(6-butyl-1H-benzimidazol-2-yl)carbamateparchmentiseAlternative form of parchmentize.parchmentize(transitive) To convert to a parchment-like substance, especially by sulfuric acid.parenthesise(British spelling) Alternative form of parenthesize.parenthesizeTo place text in parentheses.parenthesome(biology) A septal pore cap, a microscopic structure of unknown function found in the cells of basidiomycete fungi.paresthesiaeplural of paresthesiaparidigitate(anatomy) Having an even number of digits on the hands or feet.parkinsonite(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing chlorine, lead, molybdenum, and oxygen.parkitecture(US, informal) A style of 20th-century architecture developed by the United States National Park Service in its efforts to create buildings that harmonized with the natural environment and avoided the regularity and symmetry of the industrial world.parochialiseAlternative form of parochialize.parochialize(transitive) To render parochial; to form into parishes.parquisosideA particular steroid glycoside.parseltongueA fictional language of snakes in the Harry Potter universe.parthenolide(organic chemistry) A sesquiterpene lactone which occurs naturally in the plant feverfew (Tanacetum parthenium); used for the relief of migraineparticipableCapable of being participated in or shared.participanceSynonym of participation; the process of act of participating; involvement.passemeasureAlternative form of passymeasure.passiflorineAn organic compound found in the passionflower.passivisableWhich can be passivised, which can be made into the passive.passivizableWhich can be passivized, which can be made into the passive.passportableEligible for passporting.passwordable(computing) Able to be protected with a password.passwordlikeResembling or characteristic of a password.passymeasure(obsolete) A dance, the passepied.pathobiotypeA pathotype that is also a biotypepathocascadeAlternative form of path cascade.patriarchateA patriarchal system or community.patriarchizeTo turn into a patriarchy.patrilineageLineage based upon the paternal line; a group of descendants related through a common male lineage.patrilineateSynonym of patrilineal.patronisableAlternative form of patronizable.patronizableCapable of being patronized.pattinsonize(transitive) To process (a mixture of metals) by melting it and skimming off the lead as it cools, so as to leave the silver.patupaiarehe(mythology) One of a legendary fair-skinned fairy race said to have inhabited Polynesia before the arrival of human beings.paucidentate(zoology) Having few teeth.paucifoliate(botany) Having few leaves.paucimannose(biochemistry) Having few mannose moietiespaucinervate(botany) Having few nerves.pauciradiateHaving few rays.paulmooreite(mineralogy) A monoclinic-sphenoidal mineral containing arsenic, lead, and oxygen.pavementlikeResembling or characteristic of pavement.pavilionlikeResembling or characteristic of a pavilion.paynantheine(organic chemistry) The alkaloid methyl (E)-2-[(2S,3R,12bS)-3-ethenyl-8-methoxy-1,2,3,4,6,7,12,12b-octahydroindolo[2,3-a]quinolizin-2-yl]-3-methoxyprop-2-enoate present in kratompazelliptineA DNA topoisomerase inhibitor.pearlescenceThe state or condition of being pearlescent; a pearly appearance.pectiniosideA particular steroid glycoside.peculiarsome(regional) Peculiar; strange.pedagoguette(nonce word) A schoolmistress.pedestrienne(dated) A female pedestrian.pediculicideAn insecticide that kills lice.pegaspargaseAn antineoplastic agent used to treat acute lymphoblastic leukaemia.peginesatide(pharmacology) An erythropoietic agent, a functional analog of erythropoietin, intended for the treatment of anemia associated with chronic kidney disease in adult patients on dialysis.pelletierine(organic chemistry) An alkaloid obtained from pomegranate bark and used as a taenifuge.pelodryadineOf or relating to the hylid frog subfamily Pelodryadinae.pendecamaineA surface active drug.pendletonite(mineralogy) Name for a coronene mineral, later called carpathite.pendulumlikeResembling or characteristic of a pendulum; having a back-and-forth motion.penflutizide(pharmacology) A thiazide diuretic drug.penguinesque(colloquial) Resembling or characteristic of a penguin.penicilamineMisspelling of penicillamine.penkvilksite(mineralogy) A monoclinic-prismatic mineral containing hydrogen, oxygen, silicon, sodium, titanium, and zirconium.pennywhistle(music) Synonym of tin whistlepensionhouseAlternative form of pension house.pensionnaireSomeone who boards at a lodging-house, school, or other institution; a boarder, especially in France or other European countries.pentaacetate(organic chemistry) Any compound, but especially a derivative of a sugar, that has five acetate groupspentaalanine(organic chemistry) Any oligopeptide consisting of five alanine residuespentabromide(chemistry) any bromide containing five bromine atoms in each moleculepentacontane(organic chemistry) Any of very many isomers of the aliphatic hydrocarbon having fifty carbon atoms, but especially n-pentacontane CH₃(CH₂)₄₈CH₃pentacriniteAny crinoid of the genus Pentacrinites.pentadactyleAlternative form of pentadactyl.pentadentate(chemistry, of a ligand) Forming five separate chemical bonds to a coordinating metal ion.pentadienone(organic chemistry) Any aliphatic ketone that has five carbon atoms and two double bondspentaglycineAn oligopeptide (or section of a protein) consisting of five glycine amino acidspentaguanine(biochemistry) Five consecutive guanine residues in a protein or peptidepentahydrate(chemistry) A hydrate whose solid contains five molecules of water of crystallization per molecule, or per unit cell.pentahydrite(mineralogy) An evaporite, consisting of magnesium sulphate pentahydrate, with the chemical formula MgSO₄·5H₂O.pentamannose(biochemistry) A pentasaccharide composed of five mannose unitspentanedione(organic chemistry) Either of two isomeric aliphatic diketones (2,3-pentanedione, 2,4-pentanedione) derived from pentanepentanitride(inorganic chemistry) Any nitride containing five nitrogen atomspentaoxolane(inorganic chemistry) The unstable allotrope of oxygen (O₅) composed of a ring of five atomspentapeptide(biochemistry) An oligopeptide formed from five amino acids.pentaplicateMade five times as much; fivefoldpentaradiateHaving five rays.pentasulfate(chemistry) Any compound containing five sulfate groups or ionspentasulfide(US) Alternative spelling of pentasulphide.pentavalenceThe condition of being pentavalentpentifyllineA particular vasodilator.pentuplicateSynonym of quintuplicate.peppershrikeAny vireo of the genus Cyclarhis, of Central and South America.peradventure(literary) Chance, doubt or uncertainty.perbufyllineA particular bronchodilator.percarbonate(chemistry) Any of a family of perhydrates of carbonate compounds.percontative(grammar, rare) That is, expressed in, or having the character of the grammatical mood (mode) of rhetorical questioning; percontatorial.perdeuterateTo deuterate such that all (or all significant) hydrogen atoms are replaced with deuteriumperennialize(botany, intransitive) To return year after year as a perennial.perezhivanie(psychology) The cognitive sensation of an emotional experience.perfectivize(transitive, grammar) To make perfective.perfloxacineAlternative form of perfloxacin.perflubutaneA contrast agent.performative(philosophy, linguistics) Being enacted as it is said.performaunceObsolete form of performance.perfosfamide(pharmacology) The compound 4-hydroperoxycyclophosphamide, used in oncology and hematology.perhexillineAlternative form of perhexiline.perhydrolase(biochemistry) Any enzyme that catalyses a reaction with hydrogen peroxideperhydroxide(inorganic chemistry) The anion OOH⁻ derived from hydrogen peroxideperiablativeSurrounding an area of ablationperichaetine(zoology) Having many setae per segment, like earthworms of the genus Perichaeta.peridiastole(physiology, obsolete) The very brief period of time s between the systole and the diastole of the heart.peridomicileThe areas around a dwelling, especially the animal enclosures etc. of a rural dwellingperigulosideA particular steroid glycoside.perillartineThe oxime of perillaldehyde.perimembraneSurrounding a membraneperimetazineAn antipsychotic drug.perintegrate(linguistics) To undergo perintegration.periodoscope(medicine) A table or other means of calculating the menstrual cycle.peritelomereThe area surrounding a telomerepermaculture(agriculture) Any system of sustainable agriculture that renews natural resources and enriches local ecosystems.permanentize(transitive) To make permanent.permanganate(inorganic chemistry) potassium permanganatepermastubble(colloquial) A perpetual growth of stubble, especially if deliberately maintained as a matter of personal style.permeabiliseAlternative form of permeabilize.permeabilize(transitive) To make something permeable.pernambucone(organic chemistry) The tropone 3,8-dimethyl-5-isopropyl-2,3-dihydro-1H-azulene-1,6-dione present in Croton argyroglossumperofskosideA particular steroid glycoside.peroperative(surgery) During an operationperoxidativeThat causes peroxidationperoxygenase(biochemistry) Any enzyme that catalyses the formation of an alcohol by reaction with hydrogen peroxideperphenazineA potent anti-psychotic drug.perruthenate(inorganic chemistry) The oxyanion of ruthenium RuO₄⁻ or any salt containing this anionperseveranceContinuing in a course of action without regard to discouragement, opposition or previous failure.perseverenceMisspelling of perseverance.personalzine(fandom slang) A fanzine produced by a single person, often covering that person's own interests and activities.perspicience(obsolete) The act of looking sharply; keen vision.persulfurane(chemistry) Any compound, of general formula SR₆, containing hexavalent sulfur attached to six atoms or groups.pertecnetateMisspelling of pertechnetate.perturbativeOf, pertaining to, or causing perturbationpervestigate(obsolete) To investigate thoroughly.petitionableThat can be petitionedpetitjeanite(mineralogy) A triclinic-pedial mineral containing bismuth, hydrogen, oxygen, and phosphorus.petridophyteMisspelling of pteridophyte.petrifactiveHaving the quality of converting organic matter into stone; petrifying.petrocortyne(organic chemistry) Any of a group of cytotoxic polyacetylenes extracted from marine sponges of the family PetrosiidaepetrocultureA culture that is dependant on and shaped by oil and petrochemicals.petrodentineA very hard, hypermineralized form of dentine.petromyscineAny rodent of the genus Petromyscuspetrorevenue(rare) Revenue from the export of oil.petrovskaite(mineralogy) A monoclinic mineral containing gold, selenium, silver, and sulfur.petscheckite(mineralogy) A trigonal-hexagonal scalenohedral black mineral containing iron, niobium, oxygen, tantalum, and uranium.pfeffernusseplural of pfeffernussphagocytable(biology) Capable of being phagocytosedphallapodeme(entomology) A sclerite articulating with the phallus.phanerophyte(biology) Any woody plant that carries its dormant buds openly on branches above the ground.phaneroscope(historical) A medical instrument for making the skin appear luminous and translucent, consisting of a tube with a lens at one end and an aperture at the other, used in conjunction with a light.phantastiqueArchaic form of fantastic.pharmacogeneAny gene that interacts with a pharmaceuticalpharmacolite(mineralogy) A monoclinic-domatic mineral containing arsenic, calcium, hydrogen, and oxygen.pharmacopole(archaic) Synonym of quack: a peddler of fraudulent medicines and cures.pharyngotome(historical, surgery) An instrument for incising or scarifying the tonsils, etc.pheasantlikeResembling or characteristic of a pheasant or its meat.phellandrene(chemistry) Either of a pair of organic cyclic monoterpenes, α-phellandrene and β-phellandrene, used in fragrances.phenanthrene(organic chemistry) A tricyclic aromatic hydrocarbon obtained from coal tar; used in the manufacture of dyes, pharmaceuticals and explosives; it is isomeric with anthracene.phenindamineA particular antihistamine drug, closely related to cyproheptadine.pheniprazineA hydrazine drug formerly used as an antidepressant.phensuximide(pharmacology) An anticonvulsant drug C₁₁H₁₁NO₂ sometimes used in the treatment of absence seizures.phentolamine(pharmacology) A synthetic compound used as a vasodilator, especially in certain cases of hypertension.phenylalkane(organic chemistry) Any phenyl derivative of an alkanephenylarsine(organic chemistry) A phenyl derivative of arsine C₆H₅AsH₂phenyldecane(organic chemistry) Any phenyl derivative of a decanephenylethaneethylbenzenephenylindole(organic chemistry) An indole into which a phenyl group has been substitutedphenylketone(organic chemistry) Any phenyl ketone C₆H₅CO-Rphenylsilane(organic chemistry) Any silane containing a phenyl group directly attached to a silicon atompheophorbide(organic chemistry) Any of several breakdown products of pheophytinphilanthrope(archaic) A philanthropist.philippicize(rare) To engage in a tirade or diatribe full of bitter condemnation.philolithite(mineralogy) A tetragonal-ditetragonal dipyramidal mineral with the chemical formula Pb₁₂O₆Mn₇(SO₄)(CO₃)₄Cl₄(OH)₁₂.philosopauseThe informally observed tendency of mature or elderly scientists, who apparently have outlived their most productive years of research and similar practical work, to discontinue or decrease their participation in such activity, in favour of pursuing, and often publishing, philosophical theories or speculations. Commonly the implication is that such works are beyond the authors' recognised field of competence, and, as a result, typically of disappointing value or standard.philosophate(rare) To philosophize.philosopheme(philosophy) A philosophical statement, theorem or axiom.philosophise(UK, Australia, New Zealand) Alternative spelling of philosophize.philosophizeTo ponder or reason out philosophically.phlebotamineMisspelling of phlebotomine.phlebotomineAny fly of the subfamily PhlebotominaephlebotomiseAlternative form of phlebotomize.phlebotomize(transitive) To perform a phlebotomy on (a vein): to open (a vein) to withdraw or let blood.phlegmagogue(obsolete) Any medicine supposed to expel phlegm (the humor).phlegmatiqueObsolete form of phlegmatic.phlomisosideAny of a group of glycosides present in plants of genus Phlomis.phlorizinizeTo treat with phlorizin.phoeniconone(organic chemistry) A particular carotenoid.phonaesthemeAlternative spelling of phonestheme.phorboxazole(organic chemistry) Any of a group of complex organic compounds, containing oxazole rings, isolated from marine sponges of the genus Phorbas; some of these exhibit cytostatic activity.phosphammite(mineralogy) A monoclinic-prismatic colorless mineral containing hydrogen, nitrogen, oxygen, and phosphorus.phosphatrane(organic chemistry) Any atrane having phosphorus as the heteroatomphosphindole(organic chemistry) A heterocycle formally derived from indole by replacing the nitrogen atom with phosphorusphosphoamideAlternative form of phosphamide.phosphoclineA layer in a body of water in which the phosphate concentration changes rapidly with depthphosphoimageAn image made using a phosphoimagerphosphoresceTo exhibit phosphorescencephotoalidadeA surveying instrument used to plot lines and measure directions between terrestrial features from photographsphotocaptureTo select and then produce a still image from a moviephotocascade(chemistry) A photochemical cascade (series of reactions)photocathode(physics) A cathode that emits electrons when exposed to light.photoceptive(physiology) Relating to photoceptionphotocollageA form of collage made by assembling photographs.photocomposeTo use photocomposition to prepare text for printingphotocurableAble to be photocured.photodegradeto decompose as a result of exposure to light, especially that of the sun.photoengraveTo make a photoengraving of an imagephotoenhance(transitive) To enhance by means of photoenhancement.photoglycine(organic chemistry) glycinphotographeeOne who is photographed.photogravure(uncountable) An intaglio process for printing photographic reproductions in newspapers and books.photohormoneMisspelling of phytohormone.photolysableCapable of photolysis.photolyzableAlternative form of photolysable.photomontage(photography) A composite image combining two or more photographs.photooxidase(biochemistry) photochemical oxidasephotooxidizeTo oxidize photochemicallyphotopentodea pentode whose electrical characteristics are light-sensitivephotopeptide(biochemistry) Any photoactivatable peptidephotoproduce(transitive) To produce by means of photoproduction.photorelease(chemistry, physics) The photoinduced release of one compound from anotherphotorespireTo undergo photorespirationphotoscienceAny branch of physics, chemistry or biology concerned with the actions of light.phototunableHaving optical properties that may be tuned (adjusted)photovoltage(physics) A voltage produced by the photovoltaic effectphragmospore(botany) A plant spore that has multiple transverse septaphreatophyte(biology) Any plant, typically living in deserts, that obtains its water from long taproots that reach the water tablephrenologize(transitive) To measure and analyze according to phrenology.phycocyanineAlternative form of phycocyanin.phycophaeineDated form of phycophaein.phylloborateAny of a class of borate minerals with sheet-like structure.phyllosphere(biology) The above-ground surface of plants, viewed as a habitat for microorganismsphyloquinoneMisspelling of phylloquinone.physiculture(dated) A holistic philosophy of medicine based on exercise.physiologiseAlternative form of physiologize.physiologizeTo speculate in physiology; to make physiological investigations.phytocassane(organic chemistry) Any of a family of diterpene polyprenols that have a role in disease resistance in ricephytocoenoseAlternative form of phytocoenosis.phytodiverseRelating to, or exhibiting phytodiversityphytohormone(biochemistry) A plant hormone.phytonadione(biochemistry, pharmacology) Alternative form of phytomenadione.pickeringite(mineralogy) A monoclinic-sphenoidal mineral containing aluminum, hydrogen, magnesium, oxygen, and sulfur.pickpocketee(humorous) A victim of pickpocketing.piclopastineA histamine 1 receptor antagonist.picoamperageamperage measured in picoampspicolinamide(organic chemistry) The amide of picolinic acidpicolylamine(organic chemistry) Any amine derived from a picoline by replacing a hydrogen atom (of a methyl group) with an -NH₂ grouppicotpaulite(mineralogy) An orthorhombic-disphenoidal bronze mineral containing iron, sulfur, and thallium.picrocarmineA stain made from picric acid and indigo carmine.picrocrocineAlternative form of picrocrocin.pictorialiseAlternative form of pictorialize.pictorialize(transitive) To make pictorial; to illustrate with pictures.picturedrome(archaic) cinema; movie theaterpictureframeAlternative form of picture frame.picturehouseAlternative form of picture house.pilasterlikeResembling or characteristic of a pilaster.pildralazine(pharmacology) An antihypertensive and vasodilator.pilsicainideAn antiarrhythmic drug.pimelimidate(organic chemistry) Any salt or ester of pimelimidic acidpimonidazole(pharmacology) A particular radiosensitizing compound.pimonidozoleMisspelling of pimonidazole.pineappleadeA sweetened pineapple drink.pinguescence(archaic) the process of growing obesepinocembrineAlternative form of pinocembrin.pinostilbene(organic chemistry) The stilbenoid 3-[(E)-2-(4-hydroxyphenyl)ethenyl]-5-methoxyphenol present in the bark of Pinus sibiricapinpointableCapable of being pinpointed (located precisely).pioglitazone(pharmacology) A thiazolidinedione derivative taken orally in the form of its hydrochloride C₁₉H₂₀N₂O₃S·HCl to treat type 2 diabetes by decreasing insulin resistance.piperazinone(organic chemistry) Any of several isomeric ketones derived from piperazinepiperidinone(organic chemistry) Any of three isomeric ketones derived from piperidine.piperidolateAn antimuscarinic.piridoxilateA vasodilatory drug.pirolazamideAn antiarrhythmic agent.piroxantroneA particular anthrapyrazole antibiotic with antitumour activity.pirquitasite(mineralogy) A tetragonal-scalenohedral gray mineral containing silver, sulfur, tin, and zinc.piscicapture(dated) The capture of fishes, as by angling.piscicultureThe rearing or cultivation of fish.pissaladiereAlternative spelling of pissaladière.placentosideA particular steroid glycoside.pladienolide(medicine) Any of a family of macrocyclic lactones, isolated from Streptomyces platensis, that exhibit antitumor activityplanktophytePhytoplankton.planoconcave(optics, of a lens) Having one side plane and the other concaveplanorbicone(malacology) An organism or fossil with a planorbiconic shell, or the shell itself.plantagonine(organic chemistry) A base closely related to indicaine, found in Plantago species.plantagoside(organic chemistry) The flavanone glycoside 2'-O-beta-glucopyranosyl-5,7,4',5'-tetrahydroxyflavanoneplasmasphereThe inner region of the magnetosphere, containing relatively cold, dense plasma, above the ionosphereplasmatocyteA a type of hemocyte, involved primarily in phagocytosis of pathogens or debris.plasmatosomeSynonym of plasome.plastisphere(ecology) The ecosystem on the surface of a piece of plastic (especially in a marine environment).plastochroneAlternative form of plastochron.platformlikeSimilar to or resembling a platform.platinumlikeResembling or characteristic of platinum.pleasantsome(archaic) pleasant; of a pleasant naturepleasureableObsolete form of pleasurable.pleasuredomeA place where one can relax, entertain or recreate.pleasuresomeCharacterised or marked by pleasure; enjoyableplenipotenceThe quality or state of being plenipotent.pleurodelineAny newt of the subfamily Pleurodelinae.pleustophyteAn aquatic plant that floats, sometimes limited to those without roots or holdfasts fixed to soil or sediment.plicidentine(zoology, dentistry) A form of dentin which shows sinuous lines of structure in a transverse section of the tooth.plumbylidene(chemistry) Any lead analogue of a carbene; R₂Pb:pluralisableAlternative spelling of pluralizable.pluralizableThat can be pluralized.pluricolpateHaving several colpiplurifoliate(botany) Having many leavespluriovulate(botany) Having many ovules.pluripartite(botany) Deeply divided into several portions.pluviatolide(organic chemistry) The butanolide (3r,4r)-4-(1,3-benzodioxol-5-ylmethyl)-3-(4-hydroxy-3-methoxybenzyl)dihydrofuran-2(3h)-onepluviculturerainmaking; attempts to induce rain artificiallypneumaticizeTo convert to a pneumatic formpneumatocele(medicine) A hernia or air-filled cyst within the lung.pneumatoporeMisspelling of pneumatophore.pneumosphereA lung spheroid that contains progenitor cellspnictogenide(inorganic chemistry) Any binary compound containing an anion of a pnictogen; namely nitride, phosphide, arsenide, antimonide or bismuthidepointillisteSynonym of pointillist.polihexanideAlternative form of polyhexanide.politicalese(informal) Synonym of politicianese.politicaliseAlternative form of politicalize.politicalize(transitive) To make political; to politicize.polyacrylate(organic chemistry) Any polymer of acrylic acid or its esters or saltspolyaldehydeA resin that is a polymer of formaldehyde or other aldehydespolyanethole(organic chemistry) A polymeric form of anetholepolyarginineA polypeptide consisting of arginine residuespolyargyrite(mineralogy) A black mineral that is a sulfide of antimony and silverpolyarsenite(mineralogy) The mineral sarkinitepolybehenateA behenate polymer whose sucrose ester is used to measure intestinal fatpolybutylene(chemistry) polybutenepolybutyrateA misnomer for any copolymer of polybutylene terephthalatepolycatenane(organic chemistry) Any polymer containing a number of monomers linked in the fashion of a catenane.polychloride(chemistry) A molecule or ion containing three or more chlorine atomspolychromate(inorganic chemistry) A salt or ion composed of multiple chromate groupspolychromizeAlternative form of polychromatize.polycondense(chemistry) To react something to form a polycondensate.polycysteine(biochemistry) a homopolymer of the amino acid cysteinepolycytidine(genetics) A repeat of many cytidine groups in a stretch of RNApolycytokine(biochemistry) Any polymeric cytokinepolycytosineA nucleotide containing cytosine as the only basepolydextroseA multipurpose food ingredient synthesized from dextrose and classified as soluble fibre.polydigitate(anatomy) Synonym of polydigital.polydisperse(of a colloid) Having a range of particle sizes.polydopamine(organic chemistry) A polymer formed by the oxidation of dopamine, naturally produced as a biological glue, and also used as a flame retardant.polyesterase(biochemistry) Any enzyme that catalyses the hydrolysis of polyesterspolyethylene(organic chemistry) A polymer consisting of many ethylene monomers bonded together; used for kitchenware, containers etc.polyfluorene(organic chemistry) Any of a class of electroluminescent aromatic polycyclic hydrocarbons consisting of many fluorene units attached end-to-endpolyfurosideA particular steroid glycoside.polygasolineA high-octane gasoline made by the polymerization of light olefins.polygenotype(genetics) A genotype containing genetic material from two or more ancestorspolyhelicene(organic chemistry) Synonym of helicene.polyhexanidepolyhexamethylene biguanide, a polymer used as a disinfectant and antisepticpolyisoprene(chemistry) Any polymer whose constituent monomer is isoprene; especially natural, and some synthetic, rubberspolymedicate(transitive) To medicate with more than one medication.polymerizate(chemistry) The products of a polymerization reaction; usually a mixture of polymers.polymolecule(chemistry) A polymeric moleculepolynegative(chemistry) Containing multiple negative chargespolyodontodeA polychaete worm of the genus Polyodontespolyperylene(organic chemistry) Any polymer composed of perylene moieties either fused together or joined by single bondspolyphalange(anatomy) An extra phalanx.polyphialideA phialide consisting of multiple projections.polyploidize(ambitransitive) To subject to, or undergo, polyploidization.polypodosideA particular steroid glycoside.polyprismane(chemistry) A structure consisting of multiple prismanes stacked base to base.polypyridine(organic chemistry) Any compound containing multiple linked pyridine ringspolyreactive(immunology) That undergoes nonspecific reaction with a range of materialspolyribosome(biochemistry) A cluster of ribosomes, connected by mRNA, that collectively synthesizes proteinpolyrotaxane(organic chemistry) A polymer composed of rotaxane monomerspolyselenide(inorganic chemistry) Any compound containing many selenide groups; any anion containing many selenium atomspolysequence(geology) A stratigraphic sequence of many stratapolysilazaneA polymer in which silicon and nitrogen atoms alternate to form the basic backbone.polysilicate(chemistry) Any of many polymeric silicate structures typically found in rocks and mineralspolysiliconeAlternative form of polysilicon.polysiloxane(chemistry) Any of many polymers having a siloxane repeat unitpolystannaneAn organometallic polymer comprising a backbone of tin atoms connected by covalent bonds, unknown in any other metal.polystearate(organic chemistry) Any compound that has many stearate groupspolystilbene(organic chemistry) Any polymer produced by the polymerization of stilbenepolysulphane(chemistry) Alternative form of polysulfane.polysulphateAlternative form of polysulfate.polysulphide(chemistry) Alternative spelling of polysulfide.polysulphoneAlternative spelling of polysulfone.polysyllableA word with more than two syllables. Sometimes used in a more restricted sense.polythiazide(pharmacology) A thiazide diuretic.polythionate(chemistry) Any salt or ester of polythionic acid, containing an anion or group of the form SₙO₆²⁻ or -SₙO₆-polytrioxanePolyoxymethylene.polytyrosine(organic chemistry) A polypeptide composed of only tyrosine amino acidspolyurethane(organic chemistry) Any of various polymeric resins containing urethane links; used in many industrial and domestic applications.polyvanadate(inorganic chemistry) A polymeric form of the orthovanadate anion; and salt containing this anionpomacentrineAny pomacentrid of the subfamily Pomacentrinaepomalidomide(medicine) A derivative of thalidomide used to treat some myelomaspommecythereSynonym of ambarella (fruit (Spondias dulcis))pondermotive(physics) Describing the ability of light to cause motion, due to the momentum of its photonsponomarevite(mineralogy) A monoclinic-prismatic orange red mineral containing chlorine, copper, oxygen, and potassium.porantherine(organic chemistry) A polycyclic alkaloid obtained from the shrub Poranthera corymbosa.porcelainiteSynonym of mullite.porcelainize(transitive) To bake like porcelain.porcellaniteAlternative form of porcelanite.porcicultureThe raising of pigs.porphyranase(biochemistry) Any enzyme that catalyses the hydrolysis of a porphyranporphyrogeneBorn into the purple (royalty or the ruling class)porphyroxine(organic chemistry) Papaverrubine D, a minor alkaloid of opium.porpoiselikeResembling or characteristic of a porpoise.porridgelikeResembling porridge or some aspect of it.portefeuille(archaic) An artist's portfolio.portemonnaieAlternative form of porte-monnaie.portholelikeResembling or characteristic of a porthole.portraitlikeResembling or characteristic of a portrait.posaconazole(pharmacology) A triazole antifungal drug used to treat invasive infections in severely immunocompromised patients.positionableCapable of being positioned.postablativeFollowing ablationpostabortiveFollowing an abortionpostacrosomeAlternative form of postacrosomal.postadaptiveFollowing adaptationpostadoptiveRelating to postadoption.postanaphase(biology) Following anaphasepostbaselineAfter a baseline has been established.postcardlikeResembling or characteristic of a postcard; picturesque.postcardware(computing) A software product whose author requests as payment a postcard from the user's hometown.postclavicle(anatomy) A bone in the pectoral girdle of many fishes projecting backward from the clavicle.postcleavageFollowing cleavagepostcollapseAfter a collapse.postcruciateposterior to the cruciate sulcuspostdeadlineAfter a deadline.postdiapauseFollowing diapausepostdominate(graph theory) A node z postdominates a node n if all paths to the exit node of the graph starting at n must go through zposterioriseAlternative form of posteriorize.posteriorize(intransitive) To achieve posteriorization.posterogradeSynonym of retrograde.posterostyle(dentistry) A crest on the posterolabial corner of the molar.posteruptive(geology) After an eruption.postexerciseThat follows exercise (physical activity).postexposureAfter exposure (to radiation, pathogens, etc.).postfixativeFollowing fixationpostfossetteA fossette anterior to a metaloph, especially in the teeth of a horsepostfracture(medicine) After a bone fracture.postgenitureThe fact of being born after someone else of the same bloodline.postgenocideAfter a genocide.postgraduateA person continuing to study in a field after having successfully completed a degree course.postguidanceAfter guidance.posthardcoreA genre of music mainly derived from hardcore punk, with slower tempos and softer vocals.postinvasiveFollowing invasion.postjuvenileAlternative form of post-juvenile.postliterateAfter the decline of literacy.postmarriageAfter marriage.postmenarcheAlternative form of postmenarcheal.postosmicate(cytology) To postfix a biological sample using osmium tetroxidepostpalatine(anatomy) postpalatal (situated behind the palate, or the palatine bones)postpliocene(geology) After the Pliocene epoch.postpositive(grammar) A postpositive modifier.postpracticeOccurring after a practicepostpremiereAfter a premiere.postpuncture(chiefly medicine) After a puncture.postpurchaseAfter a purchase.postquadrateBehind the quadrate bonepostresponseFollowing a responsepotentializeTo make or give something potentialpotentiativeRelating to potentiationpotichomanieAlternative form of potichomania.poudretteite(mineralogy) A hexagonal-dihexagonal dipyramidal mineral containing boron, oxygen, potassium, silicon, and sodium.poulticelikeResembling or characteristic of a poultice.poulticewiseIn the manner of a poultice.poultryhouseA house for poultry (avian livestock), usually for chickens.pourprestureAlternative form of purpresture.practicaliseAlternative form of practicalize.practicalizeTo render practical; to put into practice.practicelikeResembling or characteristic of practice.pragmaticizeSynonym of pragmatize.pralatrexate(pharmacology) An anticancer drug.praseodymate(inorganic chemistry) Any oxyanion of praseodymium; any salt containing such an anion.prasinophyteAny of various flagellate, unicellular green algae of the class PrasinophyceaepratincolineSynonym of pratincolous.praxinoscope(historical) An animation device invented in 1877 and used in early image projection. It consisted of a series of pictures and an arrangement of mirrors in a horizontally rotating box.preacherlikeResembling or characteristic of a preacher.preadherencePrior to adherence.preadipocyte(biology) An undifferentiated fibroblast that can be stimulated to form an adipocytepreadvertiseTo advertise beforehandpreaggregateTo aggregate in advance.prealternateDescribing the moult that precedes the formation of a birds alternate plumagepreapologize(intransitive) To apologize in advance; to make an apology before the fact.preassociate(transitive) To associate in advance.preassuranceprevious assurancepreattentiveOf or pertaining to preattention.preauthorizeTo authorize in advance.preburlesqueBefore the introduction of burlesque performances.precalcarine(anatomy) In front of the calcarine sulcusprecalculateTo calculate in advance.precandidateA person approved as a possible candidate.precelebrate(transitive) To celebrate in advance.prechallengePrior to a drug challenge.precipitableAble to form a precipitateprecipitancePrecipitancy.precisioniseAlternative form of precisionize.precisionize(transitive) To make precise.preclearanceA procedure to arrange for clearing customs or immigration in advance.precognitivePertaining to the ability to see or predict future events.preconfigure(transitive) To set up or arrange something in advance so that it is ready for operation for a particular purpose, or to someone's particular liking.preculminateIn front of a culmenpredebutanteSynonym of subdebutante.predecessive(now rare) Going before; preceding.predepartureOccurring before or in preparation for one's departure.predesignateDesignated in advance.predestinateTo predestine.predetermine(transitive) To determine or decide in advance.predicatablePredicable; capable of being predicated.predischargeBefore a discharge (especially, discharge from a hospital, military service, or other institution).prednisolone(pharmacology) A synthetic glucocorticoid C₂₁H₂₈O₅ that is a dehydrogenated analog of cortisol and is used especially as an anti-inflammatory drug.prednylidene(pharmacology) A glucocorticoid for systemic use.predoctorateSynonym of predoctoral.predominanceThe condition or state of being predominant; ascendancy, domination, preeminence, preponderance.preduplicateA duplicate made prior to some other operationpreemergence(of herbicide use) Before the emergence of the plants being targeted.preexistenceThe condition of having existed prior to the current time.prefabricate(transitive) To manufacture (a building, etc.) in standard components that can be fitted together on site.prefetchableCapable of being prefetched.prefigurableCapable of being prefigured.preformativeOf or pertaining to preformation.preformulateTo formulate (a pharmaceutical drug) in advance of general availabilityprefricative(phonetics) Before a fricative.pregnanolone(organic chemistry) An epimer of allopregnanolone that has similar propertiespregnatrieneA triene derivative of a pregnane.pregnenolone(biochemistry, steroids) A steroid prohormone involved in the steroidogenesis of progesterone, mineralocorticoids, glucocorticoids, androgens, and estrogens.pregrievanceBefore a grievance is filed.preheminence(obsolete) Rare spelling of preeminence.preheritanceTransfer of property to relatives or other beneficiaries prior to death.prehurricaneOccurring before a hurricane.prehybridizeTo hybridize prior to some other processpreimitative(psychology) Before the development of true imitative behaviour.preingestivePrior to ingestionpreinoculate(transitive) To inoculate in advance.preiswerkite(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, magnesium, oxygen, silicon, and sodium.preknowledgeprior knowledgepreleptotenePrior to leptoteneprelicensureOccurring before licensure.premasticate(transitive) prechewpremenopauseBefore the menopause.premetaphaseSynonym of prophase.premonstrateTo show beforehand; to foreshow.prenylatable(biochemistry) That can be prenylatedpreoperativePrior to surgery.preordinanceAntecedent decree or determination; a rule previously established.preosteocyte(cytology) A cell, derived from an osteoblast, that develops into an osteocytepreoxidativeRelating to preoxidationpreoxygenateTo oxygenate prior to some other processpreponderate(transitive) To outweigh; to be heavier than; to exceed in weight.preposterate(obsolete) To reverse or turn upside down.preprimitiveBefore a primitive age.preprocedure(surgery, medicine) Prior to a surgical or medicinal procedure.preproenzyme(biochemistry) The precursor of a proenzymepreprogrammeBefore a programme (of study, etc.).preproperate(transitive) To do too soon; to hasten too much.prequeuosine(biochemistry) A precursor of queuosineprerandomizeTo randomize prior to some other operationprereceptiveNot yet receptive.prerequisiteRequired as a prior condition of something else; necessary or indispensable.presacrificePrior to a sacrifice.presatelliteBefore the use of a satellite.presbyteratepresbytership, eldershipprescribableCapable of being prescribed.prescriptiveOf or pertaining to prescribing or enjoining, especially an action or behavior based on a norm or standard.presegregateTo segregate prior to some other operationpreselectiveRelating to preselectionpresensitizeTo cause or to undergo presensitization.presentativePresenting, or able to represent, an idea in the mind.presentiencethe act of sensing before the eventpreservatiseAlternative form of preservatize.preservativeAny agent, natural or artificial, that acts to preserve, especially when added to food.preservatize(transitive, chiefly Australia, New Zealand) To treat with a preservative.presignature(cryptography) An intermediate value used in forming a signature, unrelated to the contents of the message being signed.preskimmiane(organic chemistry) A particular acridone alkaloid.presophomore(education) Before the sophomore level.prespacetime(physics) Prior to the existence of spacetimepressuresome(rare) Characterised or marked by pressureprestabilizeTo stabilize prior to some other operationpresterilizeTo sterilize in advance.prestimulateTo stimulate in advanceprestructureTo structure in advancepretazettine(organic chemistry) A polycyclic alkaloid, (3S,4aS,6aR,13bS)-3-methoxy-5-methyl-3,4,4a,5,6,6a-hexahydro-8H-[1,3]dioxolo[6,7]isochromeno[3,4-c]indol-8-ol, present in lilies of the family AmaryllidaceaepretelephoneBefore the invention or spread of the telephone.pretentativeFitted for trial beforehand; experimental.pretercanineMore than canine.preternature(rare) The realm beyond the natural; the preternatural.prevaccinate(transitive) To vaccinate in advance.preventativeAlternative form of preventive.previsualize(transitive) To visualize (a scene of a film, etc.) before shooting.primroselikeResembling or characteristic of a primrose.princesslikeResembling or characteristic of a princess.principicide(countable and uncountable) The killing of a prince.prisonerlikeResembling or characteristic of a prisoner.privatizableCapable of being privatized.proacaricideAny substance that becomes an acaricide after being metabolisedproadjective(linguistics) A term that is not an adjective but serves the same purpose.problematiseAlternative form of problematize.problematize(transitive) To make something into a problem.proboscidate(chiefly zoology) Having, or shaped like, a proboscis.procainamide(pharmacology) A base of an amide related to procaine (trademark Pronestyl) that is used in the form of its hydrochloride C₁₃H₂₁N₃O·HCl as a cardiac depressant especially in the treatment of ventricular and atrial arrhythmias.procarbazineA particular drug used in chemotherapy.procentriole(biology) The early developmental stage of a centriole or basal body.prochitinase(biochemistry) A compound that promotes the formation of a chitinaseprocognitive(medicine) Describing a drug that reduces mental confusion, disorientation or deliriumproconsulate(historical) The office of a proconsul.procyclidine(pharmacology) An anticholinergic drug mainly used to treat drug-induced parkinsonism, akathisia and acute dystonia.productivize(transitive) To render productive.proendocrineRelating to the production of endocrine secretions.professorateAlternative form of professoriate.professorine(rare, dated) A female professor.profundicate(rare) To make profound; to make a concept unnecessarily complicated.profunditude(obsolete) profundityprogesterone(biochemistry, steroids, countable) A synthetic version of the compound, used in contraceptive pills and other pharmaceutical products.programmableCapable of being programmed.progredienceThe quality of being progredient.progressableAlternative form of progressible.progressibleCapable of being progressed.prohaemocyteAlternative form of prohemocyte.proheptazine(pharmacology) A particular narcotic painkiller.proherbicideA natural product that may be used commercially as a herbicideprohibitableCapable of being prohibited.proletariateAlternative spelling of proletariat.proligestone(pharmacology) A steroidal progestin.prolineamide(organic chemistry) The amide of the amino acid prolineprologuelikeResembling or characteristic of a prologue.promastigote(biology) A stage in unicellular life-cycle, typically trypanosomes, where the flagellum is anterior of the nucleus, and free from the cell body.promastocyte(cytology) A form of mast cellpromegestone(pharmacology) A norsteroid progestogen.promestriene(pharmacology) An estrogen.prometaphase(biology) The stage between prophase and metaphase in mitosispromethazine(pharmacology) A first-generation H₁ receptor antagonist derived from phenothiazine, used as antihistamine and antiemetic medication with strong sedative effects.promuscidateHaving a promuscis.promyelocyteA granulocyte precursor, developing from the myeloblast and developing into the myelocyte.pronounciate(nonstandard, chiefly humorous) To pronounce.pronunciablepronounceableprooxidativeThat promotes the production of oxidative free radicalspropagandiseAlternative form of propagandize.propagandize(intransitive) To use or spread propaganda.propagatableSynonym of propagable.propanocaine(pharmacology) An anesthetic drug.proparacaine(medicine) A topical ophthalmic anesthetic 2-(diethylamino)ethyl 3-amino-4-propoxybenzoatepropargylate(organic chemistry) Any salt or ester of propargylic acidpropensitude(obsolete or regional) Alternative form of propensity.propeptidase(biochemistry) A peptidase proenzymeproperispomeproperispomenonpropheromoneA compound that develops into a pheromoneprophesiableCapable of being prophesied.propiomazineAn antihistamine that blocks H1 receptors, used to treat insomnia and to produce sleepiness or drowsiness e.g. before surgery.propionamide(organic chemistry) The amide of propionic acid.propionylate(organic chemistry) To react with propionic acid or one of its derivatives; to introduce one or more propionyl groups into a substance.propipocaine(pharmacology) An anesthetic drug.propitiativeServing to, or intended to, propitiate; propitiatory, reconciliatorypropoxycaine(pharmacology) A local anesthetic.propoxypheneDextropropoxyphene.propulsatile(medicine) Serving to force the contents to move in a rapid outflow.propyliodone(pharmacology) A molecule used as a contrast medium.proquinolateAn antimicrobial solution.prorectorateThe office or position of prorector.prorubricyteA red blood cell precursor, the third nucleated stage of red blood cell production.proscribableCapable of being proscribed.proscriptiveproscribing or prohibiting, for example as according to a norm or standardprosecutableAble to be prosecuted.prostasphereA spherical cluster of prostate cancer cellsprostatosomeAlternative form of prostasome.protactinate(inorganic chemistry) Any oxyanion of protactinium; any salt containing such an anion.protarsomereAn anterior tarsomereprotectorate(UK, historical) The office or position of the Lord Protector of the Commonwealth.protectotypeA serovar that provides protection from other serotypesproteogenomeA proteomic genomeproteomewideThroughout a proteomeproterguride(pharmacology) A dopamine agonist derived from ergoline.prothymocyte(cytology) A precursor of a thymocyteprothyrocyte(cytology) The precursor of a differentiated thyrocyteprotionamideA drug used in the treatment of tuberculosis.protobiosideA particular steroid glycoside.protobromide(inorganic chemistry) Any of a series of bromides of a particular metal that has the fewest atoms of bromine per moleculeprotocarbide(inorganic chemistry) Any of a series of carbides of a particular metal that has the fewest atoms of carbon per moleculeprotoculture(physical anthropology) The passing of behaviours from one generation to another among non-human primates. These cultures are very rudimentary, and do not exhibit complex cultural technology.protocyanide(inorganic chemistry) Any of a series of cyanides of a particular metal that has the fewest cyanide groups per moleculeprotolophule(dentistry) A small crest in the paraflexus, connected to the protocone.protonatableAble to be protonatedprotoncogeneAlternative form of protooncogene.protonitrate(chemistry) A compound of nitric acid with the protoxide of a metal.protonmotive(chemistry) Of or pertaining to the ability to transport protons.protonophore(biology) Any ionophore that transports protonsprotoscienceAn unscientific or pseudoscientific field of study which later becomes or spawns a science (e.g., astrology led to astronomy, alchemy led to chemistry, and, most generally, natural philosophy led to science).protosulfide(inorganic chemistry) Any of a series of sulfides of a particular metal that has the fewest atoms of sulfur per moleculeprotosynapseAn evolutionary precursor of the synapseprototypableAble to be prototyped.protractableAble to be protracted or extended.protractibleAble to be protracted or extended.protuberanceA bulge, knob, swelling, spine, or anything that protrudes.proventricle(zoology) proventriculusprovincewidethroughout a provinceprovirophageA virophage of a provirus.proviverrineAny of the hyaenodontid subfamily †Proviverrinae of extinct mammals.provocateuseA female provocateur.provocatrice(rare) A female provocateur.prucalopride(pharmacology) A drug used to treat chronic constipation.pruinescenceSynonym of pruinosity.pruriceptiveRelating to, or causing itchingpseudoactiveApparently, but not truly, active.pseudoallele(genetics) Either of the two genes involved in pseudoallelism.pseudocanineResembling a canine tooth without being a true canine tooth.pseudocastle(rare) A building designed to resemble a castle.pseudochoiceAlternative spelling of pseudo-choice.pseudochrome(often attributive) An audio cassette tape formulation similar to ferricobalt, and not containing chromium.pseudocircle(mathematics) The finite topological space X consisting of four distinct points { a, b, c, d } with the non-Hausdorff topology a,b,c,d,a,b,c,a,b,d,a,b,a,b,∅.pseudocumene(organic chemistry) An isomer of cumene, 1,2,4-trimethylbenzene.pseudodebateSomething presented as a debate in which there is no real disagreement.pseudodevice(computing) An entry in a file system that acts like a physical device without having the corresponding hardware.pseudoenzyme(biochemistry) Any protein that has some biochemical function but is not a true enzymepseudofinite(mathematics) Of a field: both quasi-finite (perfect with a unique extension of every positive degree) and pseudo algebraically closed (every absolutely irreducible variety over the field has a point defined over the field).pseudogenize(genetics) To convert a gene into a pseudogenepseudogenome(genetics) A collection of genes that is only an incomplete genomepseudohalide(chemistry) A chemical compound that is not a halide, but which resembles a halide in its charge and reactivity.pseudohandle(programming) A special value that can be treated as a handle (e.g. to identify a process) but is not a true handle.pseudokinase(biochemistry) A protein containing a catalytically inactive kinase domain.pseudolobule(pathology) A structure, resembling a lobule, found in hepatic fibrosis.pseudologiseAlternative form of pseudologize.pseudologizeTo speak in a pseudological way; to lie.pseudonodule(medicine) A benign structure similar to the nodule of a lymphoma.pseudonymiseAlternative spelling of pseudonymize.pseudonymize(computing, law) To depersonalize or anonymize (data); a procedure by which the most identifying fields within a data record are replaced by one or more artificial identifiers, or pseudonyms.pseudopalateA retainer-like plate, lined with electrodes, placed on the roof of the mouth in some forms of palatography.pseudorotate(chemistry) To undergo pseudorotationpseudorutile(mineralogy) A mineral form of ferric titanate.pseudosampleA body of data that is generated (usually by adding random perturbations to actual data), rather than observed.pseudosphere(geometry) A surface generated by rotating a tractrix about its asymptote; a tractricoidpseudosplice(genetics, attributive) A splice that is ignored by the spliceosome.psilopterineAny extinct phorusrhacid of the genus Psilopteruspsilostrophe(botany) Any member of the genus Psilostrophe.psilotophyte(botany) Any of the whisk ferns, of order Psilotales.psittacinite(mineralogy) Synonym of mottramite.psychiatriseAlternative form of psychiatrize.psychiatrize(transitive) To make psychiatric; to bring into the realm of psychiatry.psychoactive(pharmacology) Affecting the mind or mental processes.psychobabble(somewhat derogatory) The jargon of psychology and psychoanalysis, especially when used pretentiously to discuss mundane issues.psychologeseThe specialised language (or jargon) of psychologypsychologiseAlternative form of psychologize.psychologizeTo interpret or analyze in psychological termspsychomotiveAlternative form of psychomotor.psychosphereThe realm of consciousness.psychrometre(rare, nonstandard) Alternative form of psychrometer.psychrophileAn organism that can live and thrive at temperatures much lower than normal; a form of extremophile.psychrophoreA refrigerating instrument like a catheter for cooling the urethra.psychrophyte(biology) Any plant that tolerates, or thrives in a cold climate, especially in Arctic or alpine conditionsptaquiloside(organic chemistry) A carcinogenic terpenoid glycoside, found in bracken, that is poisonous to cattle.pteridophyteAny plant of the division Pteridophyta, of simple vascular plants that reproduce via spores rather than seeds and that alternate generations of diploid (sporophyte) and haploid (gametophyte or prothallus) forms, the diploid generally being larger and more conspicuous.ptomatropine(archaic) A poisonous atropine-like base found in decomposing meat and fish.publicizableCapable of, or suitable for, being publicized.puddingstoneA conglomerate stone consisting of pebbles surrounded by cement.puericultureThe rearing of young children, conceived of as an art or science.pulcherosine(organic chemistry) A tyrosine trimer, 5-[4-(2-amino-2-carboxyethyl)phenoxy]-3,3'-dityrosine, present in tomato cell wallspulpectomizeTo carry out a pulpectomypulsosubtype(biology) A subtype of a pulsotypepulverisableAlternative form of pulverizable.pulverizableAble to be pulverized.pulverulenceThe state or characteristic of being powdery or dusty.pumafentrine(organic chemistry) The alkaloid 4-[(4aR,10bS)-9-ethoxy-8-methoxy-2-methyl-3,4,4a,10b-tetrahydro-1H-benzo[c][1,6]naphthyridin-6-yl]-N,N-di(propan-2-yl)benzamide that selectively inhibits phosphodiesterasepuncticulateAlternative form of punctulate.punctuatableAble to be punctuated.puncturevineAlternative form of puncture vine.purchaseableAlternative form of purchasable.purfalcamine(organic chemistry) The piperidine derivative [4-[[2-[(4-aminocyclohexyl)amino]-9-(3-fluorophenyl)purin-6-yl]amino]phenyl]-piperidin-1-ylmethanone that inhibits the action of some parasitespurificativeHaving power to purify or cleanse.puroindoline(biochemistry) Any of a small group of proteins, rich in tryptophan, found only in wheatputrefactiveOf, pertaining to, or causing putrefaction.pyramidalizeTo make pyramidalpyranoindole(organic chemistry) Any of a class of heterocycles composed of a pyran fused to an indolepyrathiazineA chemical compound, C₁₈H₂₀N₂S.pyrazinamide(organic chemistry, pharmacology) The amide of pyrazinoic acid; a bacteriostatic prodrug, pyrazine-2-carboxamide, used to treat tuberculosis.pyrazolamideAlternative form of pyrazoleamide.pyrazolidine(organic chemistry) A saturated five-membered heterocycle containing three carbon atoms and two nitrogen atomspyrazolinone(organic chemistry) A derivative of a pyrazoline that has a carbonyl group in the ringpyrenomyceteSynonym of sordariomycete.pyrethrozine(organic chemistry) A particular pyrethroidpyridazinone(organic chemistry) The heterocycle 3-hydroxypyridazine or its keto formpyridinamine(organic chemistry) Any of three isomeric amino derivatives of pyridine; many of their derivatives are pharmaceuticalspyridinolineA lysyl derivative of pyridine present in mature bonepyridoindole(organic chemistry) Any of a class of heterocycles composed of a pyridine ring fused to an indolepyridoxamine(biochemistry) A constituent of vitamin B6, essential for the metabolism of starch and amino acids.pyridylidene(organic chemistry) A carbene derived from pyridinepyrimidinone(organic chemistry) Any of several heterocyclic ketones derived from pyrimidine.pyrithiamineA particular antibiotic that is an analogue of thiamine.pyroarsenate(chemistry) Any salt of pyroarsenic acid.pyrobelonite(mineralogy) An orthorhombic-dipyramidal dark red mineral containing hydrogen, lead, manganese, oxygen, and vanadium.pyromorphite(mineralogy) A yellowish-green mineral, a mixed phosphate and chloride of lead with the chemical formula Pb₅(PO₄)₃Cl that is sometimes mined as an ore.pyronaridine(medicine) A particular antimalarial drugpyrophyllite(mineralogy) A soft, pale aluminosilicate mineral, somewhat resembling talc.pyrosequence(transitive, genetics) To produce by pyrosequencing.pyrosilicate(inorganic chemistry) The silicate anion Si₂O₇⁶⁻; any compound containing this anionpyrosulphate(inorganic chemistry, British) Alternative spelling of pyrosulfate.pyrosulphite(inorganic chemistry) The anion S₂O₅²⁻; any salt containing this anionpyrotartrate(organic chemistry) Any salt or ester of pyrotartaric acid.pyrovaleroneA psychoactive drug, (RS)-1-(4-methylphenyl)-2-(1-pyrrolidinyl)pentan-1-one, used to treat chronic fatigue and as an anorectic. It belongs to the family of substituted cathinones.pyroxmangite(mineralogy) A triclinic-pinacoidal mineral containing iron, manganese, oxygen, and silicon.pyrromethene(organic chemistry) dipyrrin