Other Ending Letters

All 499 Matching Words

pachypodol(organic chemistry) A methylated flavonol present in Pachypodanthium confinepaciltaxelMisspelling of paclitaxel.paclitaxel(pharmacology) A taxane antineoplastic drug C₄₇H₅₁NO₁₄ originally isolated from the bark of the Pacific yew, Taxus brevifolia, but now typically derived as a semisynthetic product of the English yew; it interferes with microtubule function and inhibits cell division, and is used in the treatment of some cancers, especially those of the breast and ovary.pacrinololA particular beta-adrenergic receptor antagonist.paddleballAn early form of racquetballpaddockfulAs much as a paddock (field of grassland) will hold.palaeosoilAlternative form of paleosoil.palaestralAlternative form of palestral.paleofecalRelating to paleofeces.paleomodelAlternative form of palaeomodel.paleotidalAlternative form of palaeotidal.palinodialOf or pertaining to a palinode, or retraction.palmkernelAlternative form of palm kernel.palythinol(organic chemistry) The amino acid 2-[[5-hydroxy-5-(hydroxymethyl)-3-(1-hydroxypropan-2-ylamino)-2-methoxycyclohex-2-en-1-ylidene]amino]acetic acid.panaxadiol(organic chemistry) The steroid derivative 4,4,8,10,14-pentamethyl-17-(2,6,6-trimethyloxan-2-yl)-2,3,5,6,7,9,11,12,13,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-3,12-diolpancornealAcross the corneapandigital(mathematics, of a number) Containing at least one of every digit in a specified base.panlingualInvolving or encompassing all languages.panlogicalRelating to panlogismpanretinalAffecting or relating to the entire retina.panstromalRelating to all of a stromapapershellA pecan cultivar that has a thin shell.papertrailAlternative form of paper trail.papistical(derogatory) Being of or connected with the Roman Catholic faith.paraaortalBeside the aorta.parabuccalBeyond the cheeks (typically without the use of the larynx)paracaecal(anatomy) Beyond the caecumparaclivalBeyond the clivusparacoccalRelating to the paracocciparacostalThrough the ribsparacresolOne of the three isomeric forms or recognized varieties of cresol.paracrinalSynonym of paracrine.paradactyl(ornithology) The side of a bird's toeparadental(dentistry) Of or relating to a family of inflammatory odontogenic cysts that typically appear in relation to crown or root of partially erupted molars.paradermal(anatomy) parallel to the skin or to the surface of an organparadigmalRelating to a paradigmparadisialparadisiacalparadoxialArchaic form of paradoxical.paraductalAbove or over a ductparafacialRelating to the area between the ptilinal fissure and the compound eye of insects.parafiscal(economics) Relating to charges levied by quangos and similar semi-governmental bodiesparafoveal(anatomy) Surrounding the perifoveaparaglenalRelating to the coracoid of a fish.paralabralAcross a labrumparalarvalRelating to paralarvaparalimbal(anatomy) Beside or beyond a limbusparamecialRelating to a paramecium.paramedialNear or next to the middle.paramesial(anatomy) Near, or across the median lineparametralSynonym of parametric.paraneuralAlongside a nerveparanigral(anatomy) Over or beyond the substantia nigraparanoidal(dated, medicine) paranoidparanormalOf events, experiences, or phenomenona, that cannot be explained by current scientific understanding or natural laws.paranuchalparallel to the nuchalparapinealBeside the pinealparapodialPertaining to the parapodium.parapsidalRelating to the parapsis.parapteralRelating to the parapterum.pararectal(anatomy) Near or around the rectum.pararubral(anatomy) Beyond the red nucleusparasacral(anatomy) Adjacent to the sacrum.parascutalAcross or beyond a scutumparaseptalLocated near the septumparasexual(biology) Exhibiting or relating to parasexuality.parasocialOne-sided (especially of a relationship, as for example that between a celebrity and their audience or fans, whom they do not know).paraspinal(anatomy) adjacent to the spineparasporal(biochemistry) Describing a crystalline protein that forms around a spore in some bacteria that acts as a toxin precursor when digestedparastatalPertaining to such a company or group.parastomalAround a stoma.paratenialAlternative form of parataenial.parathecalRelating to paratheca.paraverbalOf or relating to verbal paralanguage.paravermalBeyond the vermisparavisualDescribing an instrument, in the cockpit of an aircraft, that is displayed in the peripheral field of view of the pilotparenteral(medicine) Administered by some means that avoids the gastrointestinal tract, particularly intravenously or by injection.parimutuelAlternative form of pari-mutuel.paroxysmalOf, pertaining to, causing or accompanied by paroxysms.parricidalRelated to, inclined to, or guilty of, the murder of one's immediate family.parrotbillAny of a group of warbler-like birds in the family Paradoxornithidae, native to East and Southeast Asia, generally small and long-tailed, which inhabit reed beds and similar habitats and feed mainly on seeds.parsonicalPertaining to or characteristic of a parson; moralistic.participalArchaic form of participial.partnerialRelated to or in the style of a partner, or a partnership (particularly in business)parvoviralRelating to parvoviruses.passionfulFull of passion; passionate.patchoulol(organic chemistry) A terpene with chemical formula C₁₅H₂₆O, found in patchouli.pathetical(now archaic) Arousing sympathy; pathetic.patricidalOf or pertaining to patricide.patrilocal(of a married couple) living with the family of the husband.paucennialRare spelling of pauciennial.pavementalOf or relating to the pavement epithelium.pedestrialOf or pertaining to the feet or walking; using or for use by the foot or feet.pedimentalOf or pertaining to a pediment.pedipalpalRelating to pedipalpspedosexual(uncommon, of an act or behavior) Being or constituting pedosexuality, sexual activity between an adult and a child.pelagophilAny fish that lives (or spawns) in the open sea.pelitrexolA particular glycinamide ribonucleotide formyltransferase inhibitor.penbutololA beta blocker used in the treatment of high blood pressure.peninitial(chiefly linguistics) Falling in the position after initial position; second.pennyroyalMentha pulegium, a plant of the mint family, formerly much used in various medicinal treatments and as a flea repellent.penorectalInvolving the penis and rectum.pentadecyl(organic chemistry) Any of very many isomeric univalent hydrocarbon radicals, C₁₅H₃₁, formally derived from pentadecane by the loss of a hydrogen atompentagonalOf, relating to, or shaped like a pentagon.pentameralfivefold (of a symmetry group)pentapedal(biology, of kangaroos) Using five legs (in reality, four legs and a tail) in order to walkpentennial(rare) Synonym of quinquennial: occurring every five years.peppermillAlternative form of pepper mill.perampanel(pharmacology) An antiepileptic drug.percarpialMisspelling of pericarpial.percentualOf, relating to, or expressed as a percentage,perceptualRelating to perception.pereopodalRelating to a pereopodperiacinal(anatomy) Around an acinusperianthalRelating to a perianth.periaortalAlternative form of periaortic.periapicalSurrounding an apex (especially of a tooth).periastralOf or pertaining to the periastronperiatrial(anatomy) Surrounding an atriumperiaxonal(anatomy) Surrounding an axon (of a nerve).peribuccal(anatomy) Surrounding a cheekperibursalAround a bursa.pericarpalOf or relating to a pericarp.pericaudalSurrounding the tailpericensalSurrounding (the year) of a censuspericlinal(biology) Parallel to the surface of an organ.pericoital(medicine) Occurring around the time of sexual intercourse.pericostalSurrounding a ribpericytialSurrounding a cellperidentalSurrounding a tooth or its root; periodontal.peridermal(anatomy) Relating to the peridermperidontalMisspelling of periodontal.periductalAround a duct (for example, the ductus arteriosus).perifacial(anatomy) Around the face.perifovealAround the fovea.perifungal(biology) Surrounding a fungal hyphaperigemmal(botany) Surrounding a budperigenualSurrounding a genu or kneeperigonialof or related to the perigoniumperigynialRelating to a perigynium.perihelial(rare) Relating to the perihelion.perikaryal(anatomy) Relating to a perikaryonperilimbalAround the limbus.perimitral(anatomy, medicine) In the area of the mitral valve and its margins.perimortalSynonym of perimortem.perimysialSurrounding a muscle or muscles. Often used to characterize patterns of inflammation found in myopathic disease. Endomysial and perimysial patterns of inflammation are in contrast to perivascular inflammation which surrounds blood vessels.perinarialSurrounding a nostrilperineural(medicine) Near a nerve or nervesperinormal(medicine) Prepathological; lying between normal and pathological.periodicalA publication issued regularly, but less frequently than daily.periosteal(anatomy) Of or pertaining to the periosteumperiostialMisspelling of periosteal.peripartal(medicine) Peripartum.peripheralOn the periphery or boundary.peripodialSurrounding a thoracic disc in some insectsperiportal(anatomy) Around the portal vein.peripteral(architecture) peripterousperirectal(anatomy) Around the rectum.perirhinalSituated around the nose.perisarcalRelating to a perisarcperiscopalSynonym of periscopic.periseptal(anatomy) Around a septum.perisexualRelated to sex or sex-seeking, without being explicitly sexual.perisotealMisspelling of periosteal.perispinal(anatomy) Surrounding the spineperistomalOf or pertaining to a peristome.perisulcalSurrounding a sulcusperithecalAround the theca.peritonealOf, relating to, or affecting the peritoneum.peritropal(botany, archaic) Having the axis of the seed perpendicular to the axis of the pericarp to which it is attached.periungual(anatomy) Around the nail.perivesselperivascularperivulval(anatomy) Around the vulva.perizonialRelating to a perizonium.peroxismalMisspelling of peroxisomal.perpetuallObsolete form of perpetual.perplexful(obsolete) perplexingpervaginal(medicine) By way of the vaginapesticidalOf, pertaining to, or effective as a pesticide.pestiviralRelating to pestivirusespetecchialMisspelling of petechial.petitionalOf or relating to a petition.phaeophyll(biochemistry) The carotenoid pigment of brown algae, mostly composed of fucoxanthinphaeoviralRelating to phaeovirusesphagocytalSynonym of phagocytic.phagosomalOf or pertaining to a phagosome.phalangealRelating to a phalanx.phalangial(anatomy) Alternative form of phalangeal.phalengealMisspelling of phalangeal.phancifull(obsolete) Rare spelling of fanciful.phantasmalOf or pertaining to, or having the characteristics of, a phantasm (“something seen but having no physical reality”); imaginary, unreal.pharyngeal(anatomy) Of or pertaining to the pharynx.phenomenal(colloquial) Very remarkable; highly extraordinary; amazing.phenoxetolSynonym of phenoxyethanol.pheromonalOf or pertaining to a pheromonephlorethol(biochemistry) A phloroglucinol oligomer with C-O-C linkages, a kind of phlorotannin.phoneticalof, or pertaining to phonetics.phosphinyl(organic chemistry, especially in combination) Any radical derived from a phosphinephosphonyl(organic chemistry, especially in combination) Any radical derived from a phosphonic acidphosphoryl(chemistry) the trivalent radical O=P≡photolabelA label attached to a molecule by photoaffinity labelingphotomuralA large photograph (or series of photographs) used as a wall decoration.photonovelA story illustrated with photographs and text captions.phycoviralRelating to the phycovirusesphyllodialRelating to a phyllodium.phylloidalSynonym of phylloid.physioballAn exercise ball.phytocidalThat kills plantsphytosomalRelating to or composed of phytosomes.phytoviralRelating to plant viruses.pickleball(countable) The ball used in the sport of pickleball.picosignalA picoscale signalpictoricalAlternative form of pictoric.piedmontalRelating to a piedmont.pinacoidal(crystallography) Relating to the pinacoid.pinakoidalAlternative form of pinacoidal.pinanediol(organic chemistry) Any diol derived from pinanepincertailAny of various species of gomphid dragonfly of the genus Onychogomphus, of Eurasia and Africa.pipratecolA vasodilator.piprofurolA calcium channel blocker.pirbuterol(pharmacology) A bronchodilator used in the treatment of asthma.piscicidalActing as a piscicide; fatal to fish.pitcherfulThe quantity that a pitcher can hold.planetfall(science fiction) The arrival of a spacecraft on the surface of a planet.planetical(obsolete) Synonym of planetary.planterfulAs much as fits in a planter.plasmidialRelating to plasmids.plasmodial(biology) Resembling or relating to a plasmodium.plastidialOf or pertaining to a plastidplastronalRelating to a plastronplatterfulAs much as a platter will hold.playschoola nursery school, kindergartenpleconarilAn antiviral drug being developed for prevention of asthma exacerbations and common cold symptoms in asthmatic subjects exposed to picornavirus respiratory infections.plentifullArchaic form of plentiful.pleurocoelOne of a set of hollow depressions on the lateral portions of the vertebrae in dinosaurs, which served to decrease the weight of these bones without sacrificing strength.plinthosolAn iron-rich soil type common in the wet tropics.ploughgirlAlternative spelling of plowgirl.ploughtailThe hind part or handle of a plough.plurennialSpanning several years in duration or interval.plurialgalRelating to or composed of multiple types of alga.pluriaxialHaving more than one axisplurilocalExisting simultaneously in multiple localities.plurimodalHaving several modespochtecatl(historical) A trader in the Aztec Empire.pocketsfulplural of pocketfulpodagricalpodagric; goutypodothecalRelating to the podotheca.polemicallObsolete form of polemical.polioviralRelating to poliovirus.politicallObsolete form of political.politotdel(historical) A political department of the former Soviet Union.pollinicalAlternative form of pollinic.polyacetal(chemistry) a polyether derived from an aldehyde or ketone and containing -O-R-O- groups in the main chain; especially polyoxymethylene derived from formaldehydepolyarchalpolyarchicalpolyaxonalRelating to many axonspolycausalHaving many causes.polychoral(music) Featuring multiple choirs, or a choir that has been divided into different groups (so as to effect antiphonal exchange)polyclonal(biology) descended from more than one small group of cells, especially ones of different genetic originpolydactylPolydactylous.polydental(chemistry) Synonym of polydentate.polyfloralOf or relating to more than one (variety of) flower.polyfungalRelating to, or containing multiple types of funguspolyglycolSynonym of polyethylene glycol.polygodial(organic chemistry) A bicyclic sesquiterpenoid found in the water pepper.polyhedral(mathematics, geometry) Of, pertaining to or derived from a polyhedron.polyherbalMade from multiple herbspolylectal(linguistics) Concerning multiple language variants.polylinealHaving or being composed of many lines.polymedial(rare) Pertaining to multiple media.polymethyl(chemistry, in combination) Any of various polymers whose respective monomer is a methyl derivative; Any of various compounds having many methyl groupspolyneuralRelating to multiple nerves.polynomial(taxonomy) A taxonomic designation (such as of a subspecies) consisting of more than two terms.polynormal(group theory, of a subgroup) Such that its closure under conjugation by any element of the parent group can also be achieved via closure by conjugation by some element in the subgroup generated.polyphasalSynonym of polyphasic.polyphenol(organic chemistry, biochemistry) Any of a large class of organic compounds, of plant origin, having more than one phenol group; they tend to be colourful and to have antioxidant properties.polyphenyl(organic chemistry, in combination) Many phenyl groups in a moleculepolyphonal(music) Synonym of polyphonic.polyphotalSynonym of polyphote.polyplural(linguistics, of a noun class) Containing plurals of nouns in distinct noun classes.polyprenol(chemistry) any prenol having more than four isoprene unitspolyprenyl(organic chemistry, in combination) Any univalent radical formed from multiple isoprenyl moietiespolyracialIncluding multiple racespolyrhizal(botany) Having many rootspolyserial(statistics) Relating to the correlation between multiple continuous variablespolysexualOf or pertaining to multiple types of sexuality.polytunnelA tunnel made of polyethylene, used to grow plants that require a higher temperature and/or humidity than that which is available in the environment.pomosexualRejecting, avoiding, or not fitting in any sexual orientation label, such as heterosexual, homosexual, asexual, pansexual, or bisexual.pontificalOf or pertaining to a pontiff.poplitaealArchaic form of popliteal.porkbarrelAlternative spelling of pork barrel.portacavalAlternative form of portocaval.portocaval(anatomy) Relating to the portal vein and the vena cava.posinomialAlternative form of posynomial.positionalRelating to the position of something.postapicalLocated behind an apex.postatrialFollowing an atrial eventpostbuccalposterior to the mouthpostcaecalanterior to the caecumpostcensalAfter a census.postcoitalOccurring after, or as a consequence of, sex.postcostal(anatomy) posterior to the ribpostcrural(anatomy) posterior to the leg or thighpostdental(of a consonant) Produced by placing the tip of the tongue at the back of the upper front teethpostdiscalRelating to an area of an insect's wing or elytron beyond the discal partpostdorsal(anatomy) behind the backpostdromalOf or pertaining to a postdrome.postductal(anatomy) Distal to or downstream of a ductus (for example, the ductus arteriosus).postfeudalAfter feudalism.postformal(psychology) Following the formal operational stage (the last of Jean Piaget's four stages of human cognitive development), and involving more complex forms of thinking such as self-reference, pragmatism, and acceptance of paradoxes.postfovealBehind the foveapostfurcalRelating to a postfurcapostlabialBehind the lipspostlarvalFollowing a larval stagepostlimbal(anatomy) posterior to a limbuspostmedial(biology) Located behind (further towards the rear than) the middle.postmental(anatomy, zoology) Posterior to the mentum.postmortalSynonym of post mortem.postnarial(anatomy) posterior to the narespostneuralposterior to a neural platepostnomialRare form of postnominal.postnormalOf or relating to a methodology of inquiry appropriate for urgent, disputed cases where some information is lacking.postnuchal(anatomy) posterior to the nuchalpostpartal(medicine) Postpartum.postpausal(linguistics) After a pause in speech.postpenial(anatomy) Situated behind, or posterior to, the penis.postpinealposterior to the pineal glandpostracialNo longer bound by racial divisions.postrectal(anatomy) posterior to the rectumpostrhinal(anatomy) posterior to the nosepostritualAfter a ritual.postsacral(anatomy) Posterior to the sacrum.postschoolAfter leaving school.postserial(music) After serialism.postsexualAfter sexual intercourse.postspinal(anatomy) posterior to the spinepoststomal(anatomy) posterior to the stomapostsulcal(anatomy) posterior to a sulcusposttarsal(anatomy) posterior to the tarsusposttibial(anatomy) posterior to the tibiapostverbal(linguistics) Occurring after a verb.postvulvalposterior to the vulvaposynomial(mathematics) A function of the form f(x_1,x_2,…,x_n)=∑ₖ₌₁ᴷc_kx_1^(a_1k)⋯x_n^(a_nk), where all the coordinates x_i and coefficients c_k are positive real numbers, and the exponents a_ik are real numbers.potassoxyl(chemistry, archaic) The radical KO, derived from, and supposed to exist in, potassium hydroxide and other compounds.potationalRelating to potation.potexviralRelating to potexviruses.powdermillAlternative form of powder mill.powerdrillAlternative form of power drill.powerlevel(intransitive, video games, slang) To play so as to advance levels in a game as quickly as possible.praecocialArchaic form of precocial.praetorialSynonym of praetorian.praetornal(entomology) Located in front of the tornuspramipexolAlternative form of pramipexole.preabortalBefore abortion (termination of pregnancy).prealcoholBefore the consumption of alcohol.prearrivalBefore arrival.precentral(anatomy) Anterior to a centre.preceptial(obsolete) preceptivepreceptualRelating to a precept.prechaetalIn front of the chaetaeprechoanalLocated prior to a choanaprechordalIn front of the notochordprecloacalIn front of the cloacaprecnemialIn front of the cnemial crestprecordial(anatomy) Of or pertaining to the precordiumprecornealIn front of the corneaprecoronal(anatomy) In the front of the coronal planeprecranialBefore (in front of) the craniumpredecimalAlternative spelling of pre-decimal.predigitalPreceding the advent of digital technologypreethicalPrior to the development of a system of ethics.prefactualprior to facts being establishedprefederalPrior to the formation or involvement of a federal government.prefemoral(anatomy) anterior to the femurprefrontalOf, pertaining to or situated in the anterior part of the frontal lobe.prefuneralBefore a funeral.pregenital(psychiatry) Describing psychosexual development prior to the genital phasepreglacialBefore an ice age (usually referring to the Pliocene)pregnathalanterior to the jaw (typically, in insects)preinitial(phonetics) The part of a syllable that precedes the initial.preinstall(transitive) To install (software, etc.) in advance.prejudicalAlternative spelling of prejudicial.prelactealBefore feeding on milkprelaticalPertaining to a prelate; prelatial.prelexical(linguistics) Before the lexical stage.preliberalBefore the liberal period of society, i.e. in feudal or authoritarian times.preliminalPrior to the beginning of a processprelingualBefore learning language.prelogicalBefore the development of logical thought.premaritalBefore marriage; before getting married.premaximal(mathematics) Prior to a maximumpremedicalSynonym of pre-med.premierial(rare) Of or relating to a premier.prenominal(grammar) That is placed before a nounprenuptialOccurring before marriage; antenuptial.prenuptualMisspelling of prenuptial.preoedipal(psychoanalysis) Before the formation of the Oedipus complex.preorbitalOccurring before an orbit is established.prepainfulBefore the onset of pain.prepalatal(anatomy) Anterior to the palate.prepleuralAnterior to the pleuraprequantalPrior to the introduction of quantum theory.preradical(mathematics) A subfunctor of the identity functor in the category of left modules over a ring with identity.prerenewalBefore renewal.preretinalanterior to the retinaprerevivalBefore a revival.prerostral(zoology) anterior to a rostrumpresagefulFull of presages; ominous.prescandalBefore a scandal.prescrotal(anatomy) anterior to the scrotumpresentialIn-person, on-premises, face-to-face (that is, not involving online, virtual or remote interaction).presswheelAlternative form of press wheel.presternal(anatomy) Of or relating to the presternum.prestigmalIn front of a stigmapresutural(anatomy) anterior to a suturepreterital(grammar) Of or relating to the preterite.pretextualHaving a false, contrived or assumed purpose; characterized by pretense.prethermalPrior to thermalizationpretumoralPrior to the development of a tumorprevaginal(anatomy) In front of the vagina or vaginal region.preventralIn snakes, any of a set of scales positioned anterior to the ventral scales and are wider than they are long, but not coming into contact with the paraventral row of dorsal scales on either side of the body.prevesical(anatomy) In front of a bladder, especially the urinary bladder.primarosol(soil science) An original soil that has been modified by erosion etcprimatical(ecclesiastical, archaic) Of or pertaining to a primate (the church thing, not the monkeys).primaveralRelating to or characteristic of early spring.primidololA beta-adrenergic blocking drug.primordialFirst, earliest or original.primosomalRelating to a primosomeprinaberelA drug that acts as a highly selective agonist of the ERβ subtype of the estrogen receptor, used in scientific research.principallObsolete form of principal.principialElementary; fundamental.printwheelIn early printers, a disk bearing impressions of characters around its rim; these are struck against the page to produce text.prismoidalHaving the form of a prismoid.prizidilol(pharmacology) A beta-adrenergic blocking drug.procambialRelating to a procambium.procaterol(pharmacology) A short-acting β₂-adrenergic receptor agonist used for the treatment of asthma.proceduralRelated to procedure.processualOf or relating to a process, especially to the methodological study of processes in social science.prochordal(anatomy) prechordal.procinololA beta-adrenergic blocking drug.procontrolSupportive of greater or stricter control, especiallyproctodealOf or pertaining to the proctodeum.proctorialOf or pertaining to a proctor or to the office of proctorship.profemoralanterior to the femur (of an insect)progenitalDeriving from or otherwise related to progeny or a progenitor or the anatomical region employed for progeneration.proglacialSituated in front, or outside the margins, of a glacier or ice sheet (and formed from its meltwaters).prolateralProjecting from a forward-facing sideprolifical(dated) Producing young or fruit abundantly; prolific; fruitful.promisefulFull of promise for the future; promising.pronetalolA particular beta-adrenergic blocking drug.pronominal(linguistics, grammar) Of, pertaining to, resembling, or functioning as a pronoun.pronumeral(Australia, mathematics) variable (symbol)pronuncial(archaic) Of or pertaining to pronunciationpropalinalMoving backward and forward, as the underjaw does during mastication.propandiolAlternative form of propanediol.propleuralRelating to propleuraprorevival(religion) In favour of revival or revivalism.prosodicalAlternative form of prosodic.prosternalRelating to a prosternumprostomialRelating to the prostomium.protesomalMisspelling of proteasomal.protoconalOf or pertaining to a protoconeprotogenal(rare) primitiveprotokylolA ß-adrenergic receptor agonist used as a bronchodilator.protometal(music) A style of music that was a precursor to heavy metal.protonemalRelating to protonemataprotophyll(botany) A primitive leaf in some clubmossesprotopodalRelating to a protopodprotosomalRelating to protosomesprototypalOf or pertaining to a prototypeprotoviralRelating to a protovirus.protumoralPromoting the development of tumors.protypicalMisspelling of prototypical.proventralIn front of a ventral regionproverbialOf, resembling, or expressed as a proverb, cliché, fable, or fairy tale.provincialOf or pertaining to a province.provostialOf, or related to a provost.proxemicalRelating to proxemics, the effects of physical distance between people.prudentialCharacterised by the use of prudence; arising from careful thought or deliberation.psalmodialRelating to psalms or to psalmodypsalterial(zoology) Of or pertaining to the psalterium.pseudocell(biology, computing) A pseudospatial cellpseudocoel(biology) The body cavity of certain nematodes (primitive invertebrates), which is analogous to a coelom but lacking mesodermal cells, i.e. not lined with mesothelium.pseudonull(sciences) A null result obtained as a result of error or interferencepseudotailAn appendage that is similar to a tail in location and gross appearance but which lacks some of the features of a true tail.psychoanalAbbreviation of psychoanalysis.pteridinyl(organic chemistry) The functional group derived from pteridine.pubarchealAlternative form of pubarchal.puborectal(anatomy) Of or pertaining to the pubis and the rectumpubotibialOf or relating to the pubis and the tibia.pulpitical(dated) Relating to, or suitable for, the pulpit.punditicalSynonym of punditic.purposefulHaving purpose: having intention or meaning; intentional.purvalanol(organic chemistry) A particular trisubstituted purine that induces apoptosis in some neuronspycnogenol(organic chemistry) Any of a group of flavonoids extracted from the bark of pine trees, especially proanthocyanidins.pyelorenalRelating to the renal pelvis and the kidneyspyorrhoealRelating to pyorrhoea.pyrogallol(organic chemistry) A poisonous trihydroxy phenol, 1,2,3-trihydroxybenzene, C₆H₃(OH)₃, used as a photographic developer.pyrosignalA signal produced by a thermal-imaging camera, especially by a pyrovidicon systempyrrolysyl(organic chemistry, especially in combination) A univalent radical derived from pyrrolysinepythonicalSynonym of pythonic (“relating to an oracle or prophet”).