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All 421 Matching Words

pachyrostranAny ceratopsid dinosaur of the clade PachyrostrapacificationThe process of pacifying.paconiflorinMisspelling of paeoniflorin.paeoniflorin(organic chemistry) A glycoside found in Paeonia lactiflora, used in herbal medicinepaerucumarin(organic chemistry) An isonitrile derivative of coumarinpaganisationAlternative spelling of paganization.paganizationThe act or process of paganizing.pajamahadeen(informal) Bloggers whose aim is to fact check and challenge the mainstream media establishment.palaeolagoonAlternative form of paleolagoon.palaeomarginAlternative form of paleomargin.palaeopteranAny winged insect of the division PalaeopterapalatizationSynonym of palatalization.paleoaeolianAlternative spelling of palaeoaeolian.paleotherian(paleontology, archaic) Of or relating to Palaeotherium.palificationThe act or practice of driving piles or posts into the ground to make it firm.palmarumycin(organic chemistry) Any of a group of fungal metabolites that are derivatives of 1,8-dihydroxynaphthalenepalonosetron(pharmacology) A drug used in the prevention and treatment of chemotherapy-induced nausea and vomiting.palpebration(medicine) winking of the eyepancreozymin(dated) cholecystokininpandaedalian(archaic) something wrought with great care.panpharmacon(dated) A medicine for all diseases; a panacea, a cure-allpantechnicon(chiefly British) Originally pantechnicon van: a van, especially a large moving or removal van.panthalassan(uncommon) Synonym of panthalassic.pantotherian(zoology) Any of the mammals in Pantotheria.papulacandinAny of a class of antifungal compounds found in Papularia species.papulocandinMisspelling of papulacandin.parabasalianSynonym of parabasalid.parabiathlonAlternative form of para-biathlon.paracingulinA protein, a paralog of cingulin, involved in junction assembly and maintenance.paracyanogen(chemistry) A polymeric modification of cyanogen, obtained as a brown or black amorphous residue by heating mercuric cyanide.paradoxicianA person who formulates or uses paradoxes.parafibromin(biochemistry) A protein that inhibits cell proliferation and suppresses some tumorsparaformalinA solution of paraformaldehyde in waterparafunctionAn abnormal (especially habitual) movement of part of the body.paraganglionA chromaffin body; a small group of chromaphil cells in the abdomen, connected with the ganglia of the sympathetic trunk and the ganglia of the celiac, renal, adrenal, aortic and hypogastric plexusesparaglobulin(biochemistry, obsolete) Synonym of fibrinoplastin.paragranulin(biochemistry) A particular peptide sequence within granulinsparahoxozoanAny marine animal of the superphylum Parahoxozoaparahydrogen(physics) The form of the hydrogen molecule (H₂) in which the two nuclei have antiparallel spin; about 25% of hydrogen at room temperature.paralogician(logic) A person who uses paralogyparalyzationAlternative form of paralysation.paramutation(genetics) A mutation in which a heritable change in one allele is induced by another in the same locusparanatellonA star or constellation that rises (above the horizon) at the same time as another.paranthelionA diffuse whitish image of the Sun, having the same altitude, at an angular distance of about 120° due to reflection from atmospheric ice-prisms.parapinopsin(biochemistry) Any of a group of opsins in the parapineal gland of some fishparareligionA secular belief system having certain aspects of religion.parasitation(nonstandard) parasitizationparatocarpinAny of a small group of prenylated chalcone flavonoids isolated from Euphorbia humifusaparavalbuminMisspelling of parvalbumin.parcellationdivision into parcels; especially the dividing up of a large amount of land between the inhabitants of it so that each person receives an equal amount of land.parkinsonian(neurology, pathology) Relating to, or appearing to be caused by, Parkinson's syndrome.parodisationAlternative spelling of parodization.paronomasianSynonym of paronomasic.parthemollin(organic chemistry) A xanthanolide found in Parthenice mollis.parvipelvianRelating to ichthyosaurs of the clade Parvipelviapassangrahan(historical) A kind of hostel for travellers in Java.pastillationThe formation of material into pastilles.pathoantigen(pathology) An antigen that causes diseasepatrolpersonA patrolman or patrolwoman.patternationThe act or result of forming a pattern, particularly of a spray from a nozzle.paxillosidanAny sea star of the order Paxillosidapazufloxacin(pharmacology) A quinolone.pecksniffianAlternative letter-case form of Pecksniffian.pectenotoxin(toxicology) Any of a class of cyclic polyether toxins, produced by dinoflagellates, associated with diarrhetic shellfish poisoningpediatrician(American spelling) A physician that specializes in pediatrics; the medical care of infants, children, adolescents, and young adults.pediculation(medicine, dated) phthiriasispedipulation(uncountable, rare) Dexterous manipulation of objects using the feet.pedturbationAlternative form of pedoturbation.pedunculagin(organic chemistry) An ellagitannin found in pomegranates and walnuts, formed from casuarictin via the loss of a gallate group.peeververein(neologism, derogatory) People obsessed with upholding and enforcing the usage of "correct" English; militant prescriptivists.pelargonidinAn anthocyanidin, 2-(4-hydroxyphenyl)chromenylium-3,5,7-triol, found in geraniums and several soft berriespelobatideanAny of the family Pelobatidae of toadspelorizationSynonym of pelorism.pelubiprofen(pharmacology) A nonsteroidal anti-inflammatory drug.penalisationAlternative spelling of penalization.penalizationThe act of punishing; punishment.penamecillin(pharmacology) An acetoxymethyl ester of benzylpenicillin; a prodrug that is processed to benzylpenicillin by esterases.pentadecagon(geometry) A polygon with fifteen sides.pentagastrinA synthetic polypeptide that has effects like gastrin when given parenterally.pentaphyllon(obsolete) cinquefoilpentapolitanRelating to a pentapolisperatizationThe renormalization of unrenormalizable field theories.percontation(formal, rare or obsolete) an enquirypercyquinninA metabolite related to vibralactone, isolated from a fungus.perenniation(botany) The process or property of living for more than one year.perfectationThe process or result of perfecting somethingperfrication(medicine, archaic) A thorough rubbing, as with an ointment or embrocation.periablationAlternative form of periablational.pericynthionThe point in an elliptical orbit around the moon that passes closest to the moon.perijunction(anatomy) Alternative form of perijunctional.perinigriconSynonym of peribothron (“periapsis of a black hole”).periplogenin(organic chemistry) A cardenolide isolated from bael leaves.peripylarianSurrounding the pylorusperispomenon(linguistics, of a word) Having a high-low pitch accent on the last syllable.perivitellinAlternative form of perivitelline.perkinsozoan(protozoology, zoology) Any parasite of the superclass Perkinsozoapernoctation(uncountable) The action of abiding through the night at a location; (countable) an instance of this; an overnight stay.peroxidation(chemistry) Any oxidation reaction, especially of an oxide, that produces a peroxide.peroxinectin(biochemistry) A form of peroxidase, present in crayfish blood, that functions in cell adhesionperoxydation(chemistry) Reaction with a peroxideperoxyflavin(biochemistry) Any peroxy derivative of a flavin, in general formed by the reaction of a reduced flavin with dioxygen molecules.perpetrationThe act of perpetratingperpetuationThe act of prolonging existence, of keeping something alive or active.perplexation(rare) The state of being perplexed; perplexity.perquisitionA thorough inquiry or search.perscriptionMisspelling of prescription.personnelman(US) Someone (of any gender) serving in the United States Navy.perspirationThe action or process of perspiring.perstraction(chemistry) A separation process in which a solution is permeated through a membrane and subsequently extracted with a solventperturbation(uncountable) Agitation; the state of being perturbed.pervulgation(obsolete) The act of publishing; publication.petechiation(pathology) The presence of petechiae on the skinpetidoglycanMisspelling of peptidoglycan.petrifactionPetrification.petrofictionfiction that focuses on the oil industry as a major element.phaeomelaninAlternative spelling of pheomelanin.phaeophyceanAny member of the Phaeophyceae; a brown alga.phantastikonA product of the imaginationphaseollidinA flavonoid found in Phaseolus vulgaris and other plants.phasmatodeanAny stick insect of the order Phasmatodeapheganomycin(organic chemistry) A peptide antibiotic produced by Streptomyces cirratusphellopterinA coumarin found in the plant Angelica archangelica.phenacetolin(chemistry, dated) A yellowish-brown powder obtained by the action of sulphuric acid on glacial acetic acid and phenol.phenomorphan(pharmacology) A particular narcotic painkiller.phenylalaninDated form of phenylalanine.phicoerytrinMisspelling of phycoerythrin.philobiblian(obsolete) Fond of books; devoted to literature.philodendronAny of several climbing plants, of the genus Philodendron, native to America and the West Indies that are often grown as house plants.philotherian(rare) A lover of animals.phlobatanninAny tannin related to or composed of phlobaphenesphloroglucin(organic chemistry, dated) phloroglucinolphlorotannin(organic chemistry) A form of tannin, found in brown algae, that is composed of oligomers of phloroglucinolphosgenation(inorganic chemistry, organic chemistry) Reaction with phosgene (or with triphosgene)phosphamidonA particular organophosphate insecticide, highly toxic to mammals.phosphatonin(biochemistry) Any of a class of proteins that control phosphate homeostasisphosphoanionAny phosphorylated anionphosphomycinAlternative form of fosfomycin.phosphostainA phosphoprotein gel stainphotoantigen(immunology) A substance that produces an immune response in the presence of lightphotoception(physiology) The perception of lightphotoentrain(physiology) To entrain a circadian rhythm by means of lightphotofission(nuclear physics) Nuclear fission as the result of the absorption of a gamma ray or other high-energy photon.photogelatingelatin, coated on a glass plate, that carries an image to be printed by the collotype processphotoneutron(nuclear physics) A free neutron produced by a photonuclear reactionphotopatternAn etching produced by photopatterning.photoprotein(biochemistry) Any of several proteins that generate light when oxidized, normally without the aid of an enzyme catalystphototrophinMisspelling of phototropin.photowrittensimple past and past participle of photowritephycoerythinMisspelling of phycoerythrin.phycoxanthin(dated) A yellowish colouring matter found in certain algae.phyllocyanin(obsolete, organic chemistry) A blue pigment obtained by degradation of chlorophyll.phyllodulcin(organic chemistry) A compound found in the leaves of the Asian shrub Hydrangea serrata, which are used in herbal tea.phylloseptin(biochemistry) Any of a group of antimicrobial peptides in the skin secretion of phyllomedusine frogsphylopattern(genetics) A phylogenetic patternphytoallexinAlternative form of phytoalexin.phytochlorin(organic chemistry) A tricarboxylic acid (17~{S},18~{S})-18-(2-carboxyethyl)-20-(carboxymethyl)-12-ethenyl-7-ethyl-3,8,13,17-tetramethyl-17,18,22,23-tetrahydroporphyrin-2-carboxylic acid derived from porphyrinphytochorion(biogeography) A geographic area with a relatively uniform composition of plant species.phytomelanin(botany) A hard, black material that forms a crust on the surface of some seedsphytoprotein(biochemistry) Any plant proteinphytosaponin(biochemistry) A saponin obtained from a plantphytosaurianAny of the order †Phytosauria of extinct crocodilian-like archosauriforms or basal archosaurians from the Late Triassic.picoplanktonThe plankton composed of cells between 0.2 and 2 micrometers.picrofuchsinA solution of fuchsin in picric acid, used as a stain for proteinspicrotoxinin(organic chemistry) An alkaloid found in picrotoxin.pigmentationColoration of human, plant or animal tissue, especially by pigment.piketoprofen(pharmacology) A nonsteroidal anti-inflammatory drug.piloerectionThe erection of hairs or papillae.pimavanserinAn experimental drug being developed to treat Parkinson's disease psychosis and schizophrenia.pimerization(organic chemistry) The formation of π-merspinostrombinAlternative form of pinostrobin.piperacillin(pharmacology) A particular ureidopenicillin antibiotic.piperaduncinAny of a small group of antibacterial flavonones isolated from Piper aduncumpiptocarphin(organic chemistry) Any of a group of sesquiterpenes present in PiptocarphapiriproxyfenMisspelling of pyriproxyfen.pistillation(obsolete) The action of pounding with a pestle.pistosaurianSynonym of pistosaurid.pitavastatin(organic chemistry, pharmacology) A particular statin drugpixelisationAlternative spelling of pixelization.pixelization(computing) The blurring of part of an image by setting groups of pixels that are close to each other to the same color.placentalianHaving or relating to a placenta.placentarianMisspelling of placentalian.placentation(botany) The manner in which the seeds are attached to the placenta within the ovary locules.placodermian(zoology) Of, or relating to, prehistoric armoured fishes in the paraphyletic class Placodermi.plantsperson(uncommon) A plantsman or plantswoman.plastination(anatomy) A technique for preserving bodies or body parts by replacing the water and fat with certain plastics.plastocyanin(biochemistry) An important copper-containing protein, involved in electron transferplatycoelian(archaic, zoology, anatomy) Synonym of platycoelous.pleiotrophin(biochemistry) A protein, similar to midkine, that has a number of functions related to heparinplesiohedron(geometry) A special kind of space-filling polyhedron, defined as the Voronoi cell of a symmetric Delone set. Three-dimensional Euclidean space can be completely filled by copies of any one of these shapes, with no overlaps.ploughperson(nonstandard, humorous) A person who operates a plough.pneumocandin(organic chemistry) Any of a group of echinocandins produced by several fungipocilloporinAny of a class of pigments present in pocilloporidspogonophoran(biology) Any marine, wormlike invertebrate of the phylum Pogonophora.pointspersonA person in charge of railroad points or switches.polarisationNon-Oxford British English standard spelling of polarization.polarizationThe production or the condition of polarity.policepersonA police officer of any gender.policresulenA topical haemostatic and antiseptic, indicated for common anal disorders.policresulinAlternative form of policresulen.politisationpoliticizationpolitizationThe act or process of politizing.polyaddition(chemistry) Any addition reaction that yields a polymer.polycresulinMisspelling of policresulin.polygalactanA relatively large molecular weight galactanpolygalactinA biodegradable polymer used to make surgical suturespolygastrian(zoology, obsolete) One of the Polygastrica, an obsolete classification of microorganisms.polyglucosan(biochemistry) A polymeric form of glucosanpolygonationA method of surveying, an extension of triangulation, in which a set of contiguous polygons are measured and plottedpolygonbodenpolygonal patches of ground, found especially in frozen environments.polyligation(chemistry) ligation to two or more atomspolymorphean(rare) polymorphouspolynandrian(obsolete) polyandrouspolynitrogen(inorganic chemistry) Any of several unstable allotropes of nitrogen that have more than two atoms in each moleculepolyoxoanion(inorganic chemistry) Any of several complex polymeric oxoanions, especially those of larger transition elementspolyphemusinAn antimicrobial peptide present in the horseshoe crab Limulus polyphemuspolyreaction(chemistry) A polymerization or polycondensation reactionpolysyndeton(rhetoric) The use of many conjunctions to achieve an overwhelming effect in a sentence.polytenation(molecular biology) Conversion into polytenesporfiromycin(pharmacology) An antineoplastic antibiotic, [(4S,6S,7R,8S)-11-amino-7-methoxy-5,12-dimethyl-10,13-dioxo-2,5-diazatetracyclo[7.4.0.02,7.04,6]trideca-1(9),11-dien-8-yl]methyl carbamate.porphyropsinAny of a group of purple carotenoid pigments, similar to rhodopsin, in the retinas of some fishpostablationFollowing ablationpostabortionAfter abortion (termination of pregnancy).postadoptionAfter adoption.postcampaignAfter a political campaign.postcesareanFollowing a Caesarean section.postdilation(surgery) dilation (of a blood vessel) following some other operationpostdilutionFollowing dilutionpostdiluvianpostdiluvialpostdonationAfter, or following a donation.posteclosion(biology) Following eclosionpostejectionAfter ejection.postelectionOccurring after an election.posteruptionAfter a volcanic eruption.postexcisionAfter excision.postfixation(biology) A secondary fixation of a histological sample, often using osmium tetroxide to fixate lipids.postformalinFollowing treatment with formalinpostgelationOccurring after gelationpostillationThe act of postillating; exposition of Scripture in preaching.postinfusionFollowing infusion using a catheterpostinvasionFollowing an invasion.postligationFollowing ligationpostlockdownAfter a lockdown.postmarathonafter a marathonpostmeridianof or pertaining to the afternoonpostpartisan(US politics) Moving past and beyond conventional partisan dividespostposition(grammar) A word that has the same purpose as a preposition but comes after the noun.postpupationFollowing pupationpostreactionFollowing a reactionpostvacationAfter a vacation.potentiation(medicine) the synergistic effect of two drugs given simultaneouslypoultrywomanA female poulterer.praeteritionAlternative form of preterition.pragmatician(linguistics) A linguist who specializes in pragmatics.praseodymian(mineralogy) Containing praseodymiumpreacylationPrior to acylationpreadmissionBefore admission (to a hospital, university, etc.).preafternoonBefore the afternoon.preascertain(transitive) To ascertain in advance.preattentionThe noticing of something before attention is fully focused on it.precoalitionBefore a coalition.precognition(Scots law) The practice of taking a factual statement from a witness before a trial.precollisionBefore collision.precollusionBefore collusion.precolumbianAlternative letter-case form of pre-Columbian.precommunionBefore Holy Communion.preconditionA condition that requires satisfaction before taking a course of action.precremationBefore cremation.predamnation(theology) Predestined damnation.predefectionBefore defection.predelictionMisspelling of predilection.predetentionPrior to detention.prediffusiondiffusion prior to some other processpredigestionThe partial hydrolysis etc. of food, by enzymes or other materials, prior to normal digestionpredilectionA condition of favoring or liking; a tendency towards; proclivity; predisposition.predimension(mathematics) The result of a function on a group of sets, where the function satisfies three conditions: (1) it returns 0 for the empty set; (2) if one set is contained in another set, the function always returns a value that is less than or equal to the result for the containing set; (3) the result for the union of two sets is less than or equal to the sum of the results for each of those sets individually minus the result for their intersection.prediversionBefore a diversion.preeducationPrior to education.prefloration(botany) The arrangement (vernation) of floral parts in a bud.prefoliation(botany) Vernation (arrangement within a bud) of leaves.preformationPrior formation.pregestationBefore gestation.pregustationThe act of tasting something beforehand; foretaste.prehistorianA student of, or expert in prehistory.prehydrationhydration prior to some other processpreinclusionBefore inclusion.preinductioninduction prior to some other processpreinfectioninfection prior to another processpreinflationinflation prior to some other processpreingestionprior ingestionpreinjection(medicine) Before an injection is administered.preinsertionPrior to insertionpreinventionBefore the invention of something; applied to legal agreements in which an employee agrees to assign to his/her employer the rights to any invention he/she later creates while employed.preisolationisolation prior to some other operationprelapsarian(Judaism, Christianity) Of, or relating to the period of innocence before the Fall of man; innocent, unspoiled.premammalianBefore the evolution of mammals.premigrationBefore migration.prenewtonianBefore the work of Isaac Newton.preocclusionPrior to occlusion.preoperationPrior to an operation (military, surgical, or other).preovulation(biology) The period of time that precedes ovulation.preoxidationoxidation prior to some other processpreperfusionperfusion in advance of some other operationpreprolactin(biochemistry) The precursor to prolactinprepromotionBefore a promotion.preproorexin(endocrinology, biochemistry) A precursor of orexin, selectively expressed in the lateral hypothalamic area.preprovision(transitive) To provision in advance.preradiationPrior to therapeutic radiationprerebellionBefore a rebellion.prerecession(economics) Occurring before a recessionprereductionreduction prior to some other process or reactionprerejectionPrior to rejection.preremissionPrior to remission.preresection(surgery) Prior to resectionprereversionBefore reversion.presbyterianOf or pertaining to a presbyter, or to ecclesiastical government by presbyters; relating to those who uphold church government by presbyters; also, to the doctrine, discipline, and worship of a communion so governed.prescription(medicine) The medicine or treatment provided by such an order.presectarianPrior to sects; prior to sectarianism.preselection(politics) The process by which a candidate for public office is selected, usually by a political partypresensationprevious sensation, notion, or ideapresentationThe act of presenting, or something presented.preservationThe act of preserving; care to preserve; act of keeping from destruction, decay or any ill.pretubulysinA tubulysin precursor (2S,4R)-2-methyl-4-[[2-[(3R)-4-methyl-3-[methyl-[(2S,3S)-3-methyl-2-[[(2R)-1-methylpiperidine-2-carbonyl]amino]pentanoyl]amino]pentyl]-1,3-thiazole-4-carbonyl]amino]-5-phenylpentanoic acidpriestriddenAlternative form of priest-ridden.prionisationAlternative form of prionization.prionizationThe misfolding of a protein to form a prionprioritarianOne who subscribes to prioritarianism.proaccelerin(biochemistry) Factor V, a protein of the coagulation system.proaerolysinThe protoxin of aerolysinproamanullinAn amatoxin present in mushrooms of the genus Amanitaproansamycin(biochemistry) Any of a group of macrocyclic compounds that are intermediates in the biosynthesis of ansamycinsproboscideanAny of various large, herbivorous mammals, of the order Proboscidea, that have a trunk; an elephant.proboscidianAlternative spelling of proboscidean.procathepsin(biochemistry) Any of a family of proteins that are involved in the production of cathepsinsprocellarian(zoology) Any of a family of oceanic birds (Procellaridae) including the petrels, fulmars, and shearwaters.proclamationA statement which is proclaimed; formal a public announcement.proclinationForward inclination, especially of the teeth.proconvertinAn enzyme of the serine protease class.prodynorphin(biochemistry) An opioid polypeptide hormone involved with chemical signal transduction and cell communication.proepithelin(biochemistry) A growth factor and regulator of proliferation, that is converted to epithelinsprofilaggrin(biochemistry) A polymeric precursor of filaggrin present in keratohyalin granules in cells of the stratum granulosum.profligationLicentiousness; lewd behavior.progeoglycanMisspelling of proteoglycan.progradation(geology) The growth of a river delta farther out into the sea over time, as it gains more sedimentprohemolysin(biochemistry) A precursor of hemolysinprokineticin(biochemistry) Any of a family of secreted proteins that contract gastrointestinal smooth muscleprolegomenonA prefatory discussion; a formal essay or critical discussion serving to introduce and interpret an extended work.prologomenonMisspelling of prolegomenon.prolongationThe act of prolonging.proluciferin(biochemistry) That promotes the formation of luciferinpromulgationThe act of promulgating or announcing something, especially a proclamation announcing a new law.propertarianOne who endorses propertarianism.prophanationObsolete form of profanation.propitiationThe act of propitiating; placation, atonement, similar to expiation but also involving the appeasement of anger.propugnation(obsolete) means of defence; defencepropulsation(obsolete) The act of driving away or repelling; a keeping at a distance.prosapogenin(organic chemistry) The aglycone of a saponinproscriptionA prohibition.prostacyclin(organic chemistry) A prostaglandin produced in the walls of blood vessels; it acts as a vasodilator and inhibits the aggregation of plateletsprostitutionEngaging in sexual activity with another person for pay.protectorian(archaic) Synonym of protectoral.proteoglucanAny proteoglycan in which the sugar moiety is glucoseproteoglycan(biochemistry) Any of many glycoproteins that have heteropolysaccharide side chainsprotestationA formal solemn objection or other declaration.prothalamion(literary) A song or poem in honour of a bride and bridegroom about to be married.protheticianArchaic form of prosthetician.protocitizenA person whose social status is an early approximation to the later idea of a citizen.protodioscinA steroidal saponin compound found in a number of plant species.protolexiconThe lexicon of a protolanguageprotonymphon(biology) The larva of a sea spiderprotostomianOf or pertaining to the protostomesprotosuchianAny crocodyliform of the clade ProtosuchiaprototherianBelonging or pertaining to the subclass Prototheria.provulgationThe act of publishing, making known, promulgation.proxiredoxinMisspelling of peroxiredoxin.pruriceptionThe sensation of itchingpseudizationThe calculation of a pseudopotentialpseudoazurin(biochemistry) Synonym of cupredoxin.pseudochitinSynonym of tectin.pseudocolumn(databases) A column that yields a value when selected, but is not an actual column of the table.pseudodragon(fantasy) A small dragon-like creature, not a true dragon.pseudofactinA particular biosurfactant obtained from Pseudomonas fluorescens. It is a novel cyclic lipopeptide biosurfactant. As a surface-active compound it has potential to be broadly used in medicine (anti-cancer and anti-bacterial properties), cosmetics and industry.pseudofusionThe situation in which the heart rate becomes indistinguishable from that of an implanted pacemakerpseudolesionA condition that appears to be a lesion but is, in fact, a developmental abnormality.pseudomedian(statistics) A measure of centrality for data sets and populations, which agrees with the median where the data are symmetric.pseudomodernApparently, but not actually, modern.pseudomureinSynonym of pseudopeptidoglycan.pseudonation(politics) An entity that falsely purports or is purported to be a nation.pseudopodianAlternative form of pseudopodial.pseudosiphonAny structure that has the appearance of the siphon of a molluscpseudotanninAny of a diverse group of low-molecular weight compounds (such as gallic acid) that have some similarities to the tanninspseudovirgin(entomology) A female of certain species that has mated but has not received sperm.pseudovirion(virology) A synthetic viral particle that cannot replicate, used to inject foreign nucleic acid into a cell.psychojargon(rare) psychobabbleptenoglossan(zoology) Any sea snail of the clade Ptenoglossa.pteropleuron(entomology) Synonym of anepimeron.pterosaurianOf, like, or pertaining to a pterosaur.publickationObsolete spelling of publication.pulcherriminA bacterial pigment that is an iron chelate of pulcherriminic acidpumiliotoxinAny of a class of toxins present in the skin of poison dart frogspunctulationThe quality of being punctulate.puncturationThe act or process of puncturing.pupinization(historical) The use of the Pupin system to extend the range of long-distance telephone communication.purdahnashinA woman who observes purdah (segregation of the sexes).purificationThe act or process of purifying; the removal of impurities.purpuromycinAn antibiotic isolated from Actinoplanes ianthinogenes.putinisation(politics, British spelling) The taking over of power utilizing allegedly undemocratic means.putinization(American spelling) Alternative spelling of putinisation.putrefactionRotten material.putrifactionObsolete spelling of putrefaction.pycnaspidean(dated, orithology, of birds or their tarsus) Having the posterior side of the tarsus covered with small irregular scales.pycoerythrinMisspelling of phycoerythrin.pyranopterin(biochemistry) Any of several enzymatic cofactors containing a pterin coordinated to a metal ion via sulfur atomspyridostatin(organic chemistry) The compound 4-(2-aminoethoxy)-N2,N6-bis(4-(2-aminoethoxy)quinolin-2-yl)pyridine-2,6-dicarboxamide that stabilizes the quadruplex form of DNApyriproxyfenA pyridine-based pesticide effective against a variety of arthropods.pyritization(geology) The hydrothermal process whereby a rock is transformed into a pyrite.pyritohedron(mathematics) An irregular dodecahedron, the faces of which are identical but irregular pentagons.pyrocatechin(obsolete, organic chemistry) pyrocatecholpyroglobulin(biochemistry) An immunoglobulin that coagulates when heatedpyroglycerin(dated, organic chemistry) nitroglycerin; diglycerolpyrolizationSynonym of pyrolysis.pyrotechnianpyrotechnician