Other Ending Letters

All 851 Matching Words

paboucheAlternative form of baboosh.pabstite(mineralogy) A hexagonal-ditrigonal dipyramidal mineral containing barium, oxygen, silicon, tin, and titanium.pacative(formal) Relating to pacation.pacelineA formation in which riders (especially bicycle racers) travel in a line, one close behind the other, in order to conserve energy and travel faster by riding in the draft of the riders in front. The foremost rider periodically drops to the rear to allow another to take his or her place.packableCapable of being packed.packlikeResembling or characteristic of a pack (in various senses).packmateA member of the same pack (social group).packmuleA mule used as a pack animalpackwareGoods carried in a pack, especially those for sale by a peddler.paddable(computing theory) Capable of being padded; said of a set whose strings can be transformed into infinitely many further strings in the set.padiddle(Midwestern US, uncountable) The game itself.padimate(organic chemistry) Either of two organic compounds related to PABA and used in sunscreen: padimate A and padimate O.padmaite(mineralogy) An isometric-tetartoidal yellow mineral containing bismuth, palladium, and selenium.padstoneA pad to spread the weight of a point load in a wall.paeonine(organic chemistry) An artificial red nitrogenous dyestuff.paganiseAlternative spelling of paganize.paganize(transitive) To convert (someone) to paganism.pageableAble to be contacted by pager.pagefileAlternative spelling of page file.pagelikeResembling a page (sheet in a book, etc.).pagenateMisspelling of paginate.pagewide(Internet) Throughout a web page.pagewiseIn terms of pages; one page at a time.paginate(transitive) To number the pages of (a book or other document); to foliate.pagodite(dated, mineralogy) agalmatolitepainable(obsolete) Painful.painfreeAlternative form of pain-freepainlikeResembling pain.painsomeIndicating or marked by pain; painfulpainture(obsolete) The art of painting.pairableCapable of being paired with something else.pairwiseOccurring in pairs; two at a time.palatineOf or relating to a palace especially of a Roman or Holy Roman Emperor.palative(obsolete) Pleasing to the taste; palatable.palatizeSynonym of palatalize.paleface(ethnic slur, offensive, derogatory) A white person, a person of European descent, particularly in Native American contexts.palenque(historical) A community of runaway slaves.paleolaeplural of paleolapalesomeCharacterised or marked by palenesspalewise(chiefly heraldry) Divided by perpendicular vertical lines like pales.palgraveArchaic form of palsgrave.palinodeAn ode or other poem in which the author retracts something said in an earlier poem; (loosely) a recantation.palisadeA long, strong stake, one end of which is set firmly in the ground, and the other sharpened.palletteMisspelling of palette (“a set of colors”).palliateTo relieve the symptoms of; to ameliorate.pallwiseIn the manner of a pall.palmableAble to be manipulated with, or concealed in, a person's palm.palmetteA motif in decorative art resembling the fan-shaped leaves of a palm tree.palmlikeResembling or characteristic of a palm tree.palmtreeAlternative form of palm tree.palmwiseWith the palm (of the hand) foremost.palpableCapable of being touched, felt or handled; touchable, tangible.palpacleThe tentacle of a dactylozooidpalstaveA prehistoric bronze axe of the middle Bronze Age with a thin haft for a forked handle and a thick blade.paludineOf or relating to a marsh.paludoseGrowing or living in marshy places; marshy.panabase(archaic, mineralogy) tetrahedritepancarte(obsolete) A royal charter confirming to a subject all his possessions.panelize(transitive) To divide into panels.panfluteAlternative spelling of pan flute.panforteA dense flat cake, a speciality of Siena, made with honey, hazelnuts, almonds, candied fruit, cocoa and spices.panhouseA building in which seawater is evaporated to make salt.pannableCapable of being panned (moved as if across a panorama).pannicle(anatomy, zoology) A membrane of tissue in the body of a human or animal.panosideA particular steroid glycoside.panotype(historical) A picture made by the collodion process.panphobeA person who experiences or exhibits panphobia.pansareeAlternative form of pansari.pantableAlternative form of pantofle.pantacle(rare) Alternative spelling of pentacle, used by A. E. Waite and probably also some other members of the Hermetic Order of the Golden Dawn, and then by Aleister Crowley.pantoate(chemistry) Any salt or ester of pantoic acid.pantobleAlternative form of pantofle.pantofle(archaic, historical) A slipper.papabileBeing among those likely to be elected pope.papabote(Louisiana, dated) A bird, the upland sandpiper.papaliseAlternative form of papalize.papalize(transitive) To make papal; to introduce papal authority or Roman customs.papicide(countable and uncountable) The killing of a pope.papillaeplural of papillapappooseAlternative spelling of papoose.papulose(anatomy, botany) Having papulae; papillosepapyrine(obsolete) Synonym of papery, of, similar to, or related to paper.parabikeAlternative form of parabaik.parabole(rhetoric) Obsolete spelling of parable.paracone(anatomy) A cusp in the buccal corner of an upper molar tooth in mammalsparacope(obsolete, pathology) A minor deliriumparadise(Abrahamic religions) A garden where Adam and Eve first lived after being created.paradizeObsolete form of paradise.paraffleAn ostentatious display.paragade(fandom slang, video games) A play style in the Mass Effect series in which options from both the paragon and renegade orientations are selected about equally.paragoge(grammar, prosody, rhetoric) The addition of a sound, syllable or letter to the end of a word, either through natural development or as a grammatical function.parajuteA parachute made from jute, once used in India for dropping suppliesparakiteAn individual kite of such a train.paralyseBritish standard spelling of paralyze.paralyze(transitive) To afflict with paralysis.paramere(zoology) One of the symmetrical halves of any one of the radii, or spheromeres, of a radiate animal, such as a starfishparanete(musical pitch) In Ancient Greek musical theory, the higher-pitched of the two movable notes in the farther tetrachord on a lyre, pitched higher than the trite and lower than the nete.paranodeThe edge of the node of Ranvier of a myelinated axon (between the node and the juxtaparanode).paranome(genetics) The complete set of paralogous genes in a genome.paraporeA canaliculus, typically of a foraminiferparasite(derogatory) A person who lives on other people's efforts or expense and gives little or nothing back.parasome(biology) A pore or sac in parasites of the genus Paramoebaparatone(linguistics) A sequence of intonations used to convey information concerning sentence structure.paratope(biochemistry) That part of the molecule of an antibody that binds to an antigen.paratype(taxonomy) A physical specimen (or an illustration) that is not the holotype but is considered the same taxon by the author of the holotype.parauqueAny of species Nyctidromus albicollis of nightjars, ranging from Texas to Brazil.paravaleObsolete spelling of paravail.paravane(nautical) A device, stabilized with vanes, towed alongside a vessel such that the cable attaching it cuts the moorings of submerged mines.parawise(India, law) Of a reply: prepared in paragraphs.parazoneA dagger resembling a parazoniumparcloseA partition that closes off part of a building; especially one that separates an altar or chapel from the rest of a church.pardoneeOne who receives a pardon.parisite(mineralogy) A rare mineral consisting of cerium, lanthanum and calcium fluorocarbonate.parkette(Canada) A small urban parkparklikeResembling a parkparksideBy the side of a park.parkwideThroughout a park.parlanceA certain way of speaking, of using words; especially that associated with a particular job or interest.parlante(music) Synonym of parlando.parodiseAlternative form of parodize.parodize(transitive) To parody.paronymeObsolete form of paronym.parsable(grammar, computing) Able to be parsed.partableCapable of being parted.parterre(horticulture) A flowerbed, particularly an elevated one.partibleDivisible, able to be divided or partitioned.particleA very small piece of matter, a fragment; especially, the smallest possible part of something.partwiseWith respect to each part of something.partyize(transitive) To adapt to the norms or values of a political party.partzite(mineralogy) An isometric-hexoctahedral mineral containing antimony, copper, hydrogen, and oxygen.partzyme(biochemistry) A fragment of an enzymeparvenueFemale equivalent of parvenu.parylene(organic chemistry) A polymer of p-xylenepascoite(mineralogy) A monoclinic-prismatic mineral containing calcium, hydrogen, oxygen, and vanadium.pascuage(UK, law, obsolete) The grazing or pasturing of cattle, or a fee paid for this.passableThat may be passed or traversed.passcodeA string of characters used for authentication on a digital device.passibleAble to feel emotion.passtimeObsolete spelling of pastime.pastablecapable of being pasted.pastance(archaic) pastimepastelle(Trinidad and Tobago) A snack made of cornmeal filled with meat, all wrapped in a banana leaf.pastetteSynonym of Pasteur pipette.pasticheA work of art, drama, literature, music, or architecture that imitates the work of a previous artist, usually in a positive or neutral way.pastilleA flavoured candy or sweet, often round and somewhat flat in shape.patacakeAlternative form of patty cake (“game”).patashteThe tree Theobroma bicolor.patavine(biochemistry) A lignan glycoside obtained from plants of the genus Haplophyllum (Rutaceae)patellaeplural of patellapatenteeOne to whom a grant is made, or a privilege secured, by patent; a person, group, company etc. that has been granted a patent.pathlikeResembling or characteristic of a path.pathline(physics) The path taken by an individual fluid particle over a given time period.pathname(computing) The full name of a computer file, including the names of any directories or subdirectories in the path needed to access it.pathsideLocated beside a path.pathwiseBy paths; one path at a time.patienceThe quality of being patient.patinateHaving a patina.patinize(transitive) To give a patina to.patriate(Canada, transitive) To assume control of (a governmental power) from a former mother country.patridge(now dialectal) Alternative form of partridge.patronne(in France) A woman who is the owner (or wife of an owner) of a business such as a bar or restaurantpattable(rare) Able to be patted; suitable for patting.paulloneAny of a class of compounds that inhibit cyclin-dependent kinases that regulate cell division, apoptosis etc.pauraqueAny of species Nyctidromus albicollis of nightjars found from the far southern part of the US through Central and South America.pausableThat can be paused.paussine(entomology) Any of the subfamily Paussinae of ground beetles, most of which live as predators in ants' nests.pavesade(nautical, historical) A canvas screen, formerly sometimes extended along the side of a vessel in battle, to conceal from the enemy the operations on board.pavesideSituated on a pavement (sidewalk)pavisadeA row of shields hung on the side of a ship to protect it at war and discourage boarding by enemies.pavonineOf or pertaining to the genus Pavo or its family Pavonidae, including the peafowl.pavonite(mineralogy) A monoclinic-prismatic white mineral containing bismuth, copper, lead, silver, and sulfur.pawnableSuitable for being pawned.paxamateA nonsteroidal anti-inflammatory drug.paygradeAlternative spelling of pay grade.payphoneA public telephone that requires prepayment to operate, generally via the insertion of coins or a credit card.payraise(US) Alternative form of pay raise.payscaleA system of pay grades.paytableAlternative form of pay table.peacableMisspelling of peaceable.peagoose(obsolete) A fool; a simpleton.peaklikeResembling or characteristic of a peak.peakwiseIn terms of peaks.pearlikeResembling or characteristic of a pear.pearlite(mineralogy) Alternative form of perlite.peartreeAlternative form of pear tree.peastone(mineralogy) pisolitepeatlikeOf or resembling peat; peaty.pebibyte(computing) Strictly, 2⁵⁰ (1024⁵, 1,125,899,906,842,624) bytes or 2¹⁰ (1024) tebibytes, as opposed to a petabyte.peccableLiable to sin; subject to transgress the divine law.peculate(rare) To embezzle.pedageseAlternative form of pedagoguese.pedicideThe murder of a child.pedicureA cosmetic treatment for the feet and toenails.pedigreeA chart, list, or record of ancestors, to show breeding, especially distinguished breeding.pedimane(archaic, zoology) A pedimanous marsupial; an opossum.pedotypeA type of paleosol, typically named after the location of an exemplar.peduncle(botany) The stalk supporting an inflorescence or a solitary flower/fruit.peekable(informal) Capable of being peeked at or into.peelableCapable of being peeled.peepholeA small hole, opening, or piece of glass, especially in a door, through which one can look without being seen.pegamine(organic chemistry) An amine derived from polyethylene glycol (PEG)peganineSynonym of vasicine.peggableCapable of being pegged.pegylate(biochemistry) Alternative form of PEGylate.pejibayeThe edible fruit of the tropical peach palm (Bactris gasipaes), a single-seeded drupe; a peewah.pejorate(ambitransitive) To become or make (something) worse; to deteriorate, to worsen.pejorize(transitive, rare) To render pejorative.pekovite(mineralogy) An orthorhombic-dipyramidal colorless mineral containing boron, oxygen, silicon, and strontium.pelerineA kind of short cape or covering for the shoulders, associated especially with medieval pilgrims (of any gender).pellicleA thin skin or film.pellyite(mineralogy) An orthorhombic-dipyramidal mineral containing barium, calcium, iron, magnesium, oxygen, and silicon.peltableDeserving of being pelted.pemolineA medication used to treat ADHD and narcolepsy, having similar action to methylphenidate.penaliseNon-Oxford British English standard spelling of penalize.penalize(transitive) To subject to a penalty, especially for the infringement of a rule or regulation.pendencependency; suspension in time; delaypendicleAn appendage; something attached to something else.penhouseObsolete form of penthouse.penknifeA small pocketknife; (loosely) any pocketknife.pennableAble to be written.pensioneAn Italian boarding house.pentacle(Wicca) A pentagram, especially one that is used for magical or mystical purposes.pentaene(organic chemistry, especially in combination) Any compound having five carbon-carbon double bondspentaose(biochemistry) Alternative form of pentose.pentille(geometry) A tessellation of the plane consisting of irregular pentagons.pentriteThe explosive pentaerythritol tetranitratepentupleSynonym of quintuple in its various senses.penuchleAlternative form of pinochle.penuckleAlternative form of pinochle.peoplizeAlternative form of peopleize.peperineAlternative form of peperino.peperiteA type of volcaniclastic rock consisting of sedimentary rock that contains fragments of younger igneous material and is formed when magma comes into contact with wet sediments.peracuteVery sharp; very violent.perambleTo perambulate; to walk around.peramine(organic chemistry) A fungal alkaloid 2-[3-(2-methyl-1-oxopyrrolo[1,2-a]pyrazin-3-yl)propyl]guanidineperazineA typical antipsychotic of the phenothiazine class, quite similar to chlorpromazine.perceaveObsolete form of perceive.perceiueObsolete spelling of perceive.perceive(transitive) To become aware of, through the physical senses, to see; to understand.percieveMisspelling of perceive.percloseAlternative form of parclose (“partition, or enclosed place”).perentieThe largest Australian monitor lizard or goanna, Varanus giganteus.perezoneA sesquiterpene quinone found in various Perezia species.perflate(dated) To blow through (as of wind).perforceBy constraint of circumstances; of necessity; as a matter of course.performeObsolete spelling of perform.periapse(astronomy) A periapsis.pericope(rhetoric) A section of text forming a coherent thought, suitable for use in a speech.pericyte(biology, physiology) A type of mesenchymal cell which in aggregation forms a contractile wrapping around a capillary.peridoteArchaic form of peridot.perigone(botany) perianthperijovePeriapsis around Jupiter.perileneAlternative spelling of perylene.perilune(astronomy) The point of an elliptical lunar orbit where the distance between the satellite and the Moon is at its minimum.perinate(biology) A member of a viviparous species from approximately one month before, to one month after, birth.periople(anatomy) The external smooth horny layer of a hoof.perisome(biology) The outer body of an invertebrate; the integumentperlecheAlternative form of perlèche.permadie(rare, chiefly video games, slang) To permanently die.permease(biochemistry) Any of several enzymes that transport membrane proteins.permeate(transitive) To enter and spread through; to pervade.permilleA part or other object per thousand.permiteeAlternative form of permittee.peronate(mycology) sheathed with a coveringperorate(intransitive) To speak or declaim at great length, especially in a pompous or grandiloquent manner; to harangue.peroxideHydrogen peroxide, especially when in an aqueous solution used as a bleach.peroxoneA mixture of hydrogen peroxide and ozone used in drinking water treatmentperquire(archaic) Exactly.perruqueAlternative form of peruke.perryite(mineralogy) A trigonal-ditrigonal pyramidal gray white mineral containing iron, nickel, phosphorus, and silicon.personae(archaic) plural of persona (alternative spelling of personæ).perspire(ambitransitive) To emit (sweat or perspiration) through the skin's pores.persuade(transitive) To successfully convince (someone) to agree to, accept, or do something, usually through reasoning and verbal influence.perswadeObsolete spelling of persuade.perthane(organic chemistry) An insecticide, 1,1-dichloro-2,2-bis(4-ethylphenyl)ethaneperthite(mineralogy) A laminated mixture of two feldspars: plagioclase and either orthoclase or microcline.perulate(botany) Bearing perulae.perverseTurned aside while against something, splitting off from a thing.pervette(slang) A female pervert.perylene(organic chemistry) A polycyclic aromatic hydrocarbon consisting of two molecules of naphthalene fused together; it is used in light-emitting diodes.pestholeA place where a contagious disease is present or likely.pestlikeResembling or characteristic of a pest.petabase(genetics) 10¹⁵ bases in a nucleic acidpetabyteOne quadrillion (10¹⁵, or 1,000,000,000,000,000) bytes or 1,000 terabytes.petaline(botany, dated) petalous (pertaining to, attached to, or resembling a petal)petalite(mineralogy) A rare pegmatitic mineral, a lithium aluminosilicate, with the chemical formula LiAlSi₄O₁₀; used in the manufacture of crystallized glass ceramics.petanque(uncountable) Alternative form of pétanque (“French boules game”).peticoteObsolete form of petticoat.peticureMisspelling of pedicure.petitive(grammar) Indicating desire.pettableSuitable for petting.pettitoeA pig's foot used for eatingpetuntseAlternative form of petunse.petuntzeAlternative form of petunse.phalange(anatomy) Synonym of phalanx (“one of the bones of the finger or toe”).phaleraeplural of phaleraphenagleAlternative form of finagle.phengite(mineralogy) Any of a series of dioctahedral micas of composition K(AlMg)₂(OH)₂(SiAl)₄O₁₀, similar to muscovite but with addition of magnesium.phialideA flask-shaped projection from the vesicle of certain fungi.phialineShaped like a bowl or saucer.phisickeObsolete spelling of physic.phlorone(organic chemistry) A yellow crystalline substance resembling the quinones and obtained from beechwood tar and coal tar, or by the oxidation of xylidine.phloxineA red dye used in the hematoxylin-phloxine-saffron stain ("HPS stain"), commonly employed in performing an eosinophil count by hemocytometer.phonable(rare) Contactable by telephone.phosgene(inorganic chemistry) carbonyl chloridephraseme(linguistics) An utterance, consisting of multiple words or morphemes, at least one of whose components is selectionally constrained or restricted by linguistic convention such that it is not freely chosen; a lexicalized multi-word expression.phyllite(geology) A type of metamorphic rock formed from clay-rich sediments called pelites.phyllode(botany) A flattened petiole or leaf rachis that resembles and functions as a leaf, and may or may not be combined with an actual lamina.phyllome(botany) A leaf, leaflike part of a plant, or part derived from a leaf, such as a petal.physible(especially India) Misspelling of feasible.physiome(genetics) The totality of physiological functions associated with the genes of a genomephysiqueThe natural constitution, or physical structure, of a person.phytoene(organic chemistry) An acyclic polyunsaturated isoprenoid hydrocarbon that is the precursor of the biosynthesis of carotenoid pigmentspianisteA female pianist.picayune(by extension, archaic) A coin worth five cents (a nickel) or some other low value.pickableAble to be picked.picketeeOne who is being picketed.pickleseAlternative form of pikliz.pickmire(UK, dialect, archaic) The peewit, or black-headed gull.picksomeCharacterised by picking and choosing, or by being picky; selective.picoline(organic chemistry) Any of three isomeric methyl derivatives of pyridine, analogous to toluenepicomole(chemistry, physics) A unit of substance equal to one trillionth (10⁻¹²) of a molepicotite(mineralogy) hercynitepidolate(organic chemistry) Any salt or ester of pidolic acidpierlikeResembling or characteristic of a pier.piersideAlongside a pier.pierwiseIn the manner of a pier.pigotite(mineralogy) A brown resinous mineral, a kind of hydrated organic salt of aluminium.pigsicle(informal, humorous) A cold or frozen pig.pikelikeResembling or characteristic of a pike (fish).pilastreObsolete form of pilaster.pilewise(heraldry) In a converging arrangement.pilgrimeObsolete form of pilgrim.pilicide(chemistry) Any of several substances that reduce the number of hairlike pili on the surface of bacteria and thus reduce its ability to adhere to human tissue.pillaite(mineralogy) A monoclinic-prismatic black mineral containing antimony, chlorine, copper, lead, oxygen, and sulfur.pilocyte(biology) Any cell with prominent external hair-like structures.pilotageThe use of landmarks to guide a vessel or aircraft to its destination.pimarane(organic chemistry) The diterpene (2R,4aS,4bR,8aS,10aS)-2-ethyl-2,4b,8,8-tetramethyl-3,4,4a,5,6,7,8a,9,10,10a-decahydro-1H-phenanthrene and related compoundspimarate(chemistry) Any salt or ester of pimaric acid.pimelate(organic chemistry) Any salt or ester of pimelic acid.pimelite(mineralogy, outdated) A hexagonal mineral containing hydrogen, nickel, oxygen, and silicon.pimozideA potent antipsychotic drug.pimplikeResembling or characteristic of a pimp.pimplineAny ichneumon wasp of the subfamily Pimplinaepinacone(organic chemistry) Synonym of pinacol.pinaforeA sleeveless dress, often similar to an apron, generally worn over other clothes, and most often worn by young girls as an overdress.pinakoneAlternative form of pinacone.pinalite(mineralogy) An orthorhombic-dipyramidal mineral containing chlorine, lead, oxygen, and tungsten.pinchite(mineralogy) An orthorhombic-dipyramidal mineral containing chlorine, mercury, and oxygen.pineconeA conical seed-bearing structure produced on a pine tree.pinelikeResembling or characteristic of a pine tree.pingable(networking, of a computer) That can be pinged; responsive to pings.pinnableSuitable for having things pinned onto it.pinnacleThe highest point.pinnulaeplural of pinnulapinochle(card games) A card game, similar to bezique.pinocyte(cytology) A cell that exhibits pinocytosispinopodeAlternative form of pinopod.pinosome(cytology) A vesicle filled with extracellular fluid, formed by pinching the cell membrane inward through pinocytosispinotageA South African grape varietypinscape(mathematics) A two-dimensional lattice.pintableA pinball table.pintsizeAlternative form of pint-sized.pipeableCapable of being conveyed through a pipe.pipecaseA box with a soft lining to protect a smoker's pipe while not in use.pipelikeResembling or characteristic of a pipe.pipelineA conduit made of pipes used to convey water, gas or petroleum, etc.piperadeAlternative spelling of pipérade.piperate(chemistry) Any salt or ester of piperic acid.piperine(organic chemistry) The alkaloid responsible for the pungency of black pepper.pipevineA vine of genus Aristolochia.pipkrakeNeedle ice; ice structures formed when the air temperature is below 0℃ and the soil is not.piquancepiquancy; having a piquant taste.piquanteAlternative form of piquant.piquetteA drink of marc and water.piretite(mineralogy) An orthorhombic lemon yellow mineral containing calcium, hydrogen, oxygen, selenium, and uranium.pirolateA tricyclic antihistamine drug.pisachee(India) A female demon.piscinaeplural of piscinapishacheAlternative form of pishachi.pishogueMagic, witchcraft; a spell, especially one designed to cause or cure illnesses to man or beast, or to increase or decrease the quantities of farm products such as butter or milk.pisolite(geology) A sedimentary rock formed from pisoidspissdale(now chiefly historical) A urinal basin or trough (usually metal) on a ship.pissface(vulgar, derogatory) Term of abuse.pisshole(slang, vulgar) The urethra.pisslike(informal, vulgar) Resembling or characteristic of urine.pissmireAlternative form of pismire.pisstakeAlternative form of piss-take.pistacheDated form of pistachio.pithlikeResembling pith or some aspect of it.pithouse(archaeology) A primitive building partially dug into the ground and roofed over.pitiableThat deserves, evokes or can be given pity; pitiful.pitisomeCharacterised or marked by pitifulness; piteouspittanceA small allowance of food and drink; a scanty meal.pitysomeAlternative form of pitisome.pivalate(organic chemistry) Any salt or ester of pivalic acid; trimethylacetate.pixelateTo divide an image into pixels, or to display an image in pixels.pixelize(transitive, intransitive, computer graphics) To pixelate; to convert into pixels.pixilateMisspelling of pixelate.pizzelleplural of pizzellapizzetteSynonym of pizzetta (“small pizza”).placableAble to be easily pacified; quick to forgive.placcateAlternative form of placket (“type of armour plate”).plantagePlants, vegetation; specifically, the planting or cultivation of plants.plantaneObsolete spelling of plantain.plantule(botany, dated) The embryo which has begun its development in the act of germination.plasmise(transitive, physics) To turn (an object or material) into plasma (the state of matter).plastideArchaic form of plastid.plastomeThe part of the genome of a photosynthetic plant found in its plastidplatableAlternative spelling of plateable.plauditeObsolete form of plaudit.plausive(rare) Laudable, praisable.playableAble to be played.playcareA daycare for small children structured around play activities; daycare in general as contrasted with typically more structured preschools.playdateThe occasion of a child having a friend come over to play at their house, traditionally scheduled by both children's parents.playetteA short play (dramatic work).playgame(archaic) The play of children.playlikeResembling or characteristic of a play (dramatic production).playline(of toys) Manufactured for use as a plaything, rather than as a collectible.playlore(sociology) The lore associated with games played by children.playmateA companion for someone (especially a child) to play with.playpipeA rigid extension to a fire hose that provides a gripping surface for fire fighting personnel. Typically a pipe with handles that attaches to the end of a fire hose and has a nozzle attached to it.playsome(dated, chiefly literary) Playful; frolicsome.playtime(countable, uncountable) Time for play or diversion.playwarechildren's toys that take the form of electronic hardware or softwarepleasure(uncountable) A state of being pleased or contented; gratification.pleeeaseElongated form of please.pleomereThe abdominal somite of a crustaceanpleoniteAn abdominal somite of a crustaceanplessiteA meteorite texture consisting of a fine-grained mixture of the minerals kamacite and taenite, found in the octahedrite iron meteorites.pleurite(zoology) A pleuron.plimsoleAlternative form of plimsoll.ploidizeTo multiply the numbers of chromosomes in a cellplotholeAlternative spelling of plot hole.plotlineThe basic plot of a story or group of stories.plottageThe increase in value of land achieved by parcelling smaller plots into a developable unit.plotwiseIn terms of plot (storyline).plowable(American spelling) That can be plowed.plowboteAlternative spelling of ploughbote.plowgateAlternative form of ploughgate.plowlikeAlternative spelling of ploughlike.plowsoleAlternative form of plow sole.plowzoneAlternative spelling of ploughzone.plughole(chiefly Australia, New Zealand, British) The hole at the bottom of a bath, sink or tub, which can be blocked using a plug; a drain (US)pluglikeResembling or characteristic of a plug.plumbageleadwork; plumbingplumbane(inorganic chemistry) lead hydride, PbH₄plumbate(chemistry) Any compound containing the plumbate ion PbO₃²⁻ or Pb(OH)₆²⁻.plumbite(inorganic chemistry) The PbO₂²⁻ oxyanion or hydrated forms; any salt containing this anionplumcakeA cake made either with dried fruit (such as grapes, currants, raisins or prunes) or with fresh fruit.plumlikeResembling or characteristic of a plum.plumtreeAlternative form of plum tree.plurisieObsolete form of pleurisy.pluviose(rare) Characterized by heavy rainfall; rainy.pnictide(chemistry) Any binary compound of a pnictogenpochetteA small handbag shaped like an envelope.podocyte(cytology) A cell of the visceral epithelium in the kidneypodomereA segment of a limb of an arthropodpodosomeThe primary site of integrin-stimulated actin polymerization in some leukocytespoemlikeResembling or characteristic of a poem.poetette(rare) A young or insignificant poet, usually female.poetlikeResembling or characteristic of a poet.pohuehueAny of various climbing plants of the genus Muehlenbeckia that grow in New Zealand,poitrineSynonym of poitrel (“chest-armor for a horse”).poivradeA type of sauce (generally a vinaigrette) with pepper as a main ingredient.polariseNon-Oxford British English standard spelling of polarize.polarite(mineralogy) An opaque, yellow-white mineral with a metallic lustre, having the chemical formula (Pd,(Bi,Pb)).polarize(transitive, US) To cause to have a polarization.polelikeResembling or characteristic of a pole (upright stick or mast).polemiseAlternative form of polemize.polemize(transitive) To attack in speech or in writing.policideThe intentional destruction of a nation.politikeObsolete spelling of politic.politize(transitive, dated) To make political; to politicize.politure(obsolete) polish; glosspollableCapable of being polled.polonate(inorganic chemistry) Any oxyanion of polonium; any salt containing such an anion.poloneseAlternative spelling of polonaise.polonide(inorganic chemistry) Any binary compound of polonium and a more electropositive element.polyache(mathematics) A mathematical function defined in terms of the sums of powers. (See reference for details.)polybase(chemistry) Any polybasic compoundpolycube(geometry) A polyform made by joining one or more cubes face to face in various arrangements.polyculeA polyamorous group of individuals connected by their overlapping romantic, sexual, or platonic relationships.polyfuse(electronics) Synonym of resettable fuse.polygene(genetics) A group of nonallelic genes that act together to produce phenotype variationspolygyneDescribing a hive or colony (of a social insect) that has more than one active queenpolykite(mathematics) A polyform constructed from quadrilaterals obtained from the superimposition of a triangular and hexagonal grid.polylegeAn insect that collects pollen from the flowers of a variety of unrelated plants.polyline(mathematics, computer graphics) A continuous line composed of one or more line segments.polynemeAny of several tropical foodfish, of family Polynemidae, that have long filaments below the pectoral fin; the threadfinspolynome(mathematics, rare) polynomialpolynose(textiles, Eastern Europe) Pertaining to a modification of viscose fibers in which the cellulose is copolymerized.polypideThe internal contents of a bryozoan; includes the digestive and muscular systems.polypineOf or pertaining to a polyppolypipeA pipe made from polybutylene.polypite(rare) A fossil polyppolypode(zoology) Alternative form of polypod.polyporeAny of a group of tough, leathery poroid mushrooms similar to boletes but typically lacking a distinct stalk.polyremeA very large galley with more than five rows of oars on each side.polyseme(semantics) A word or phrase that has multiple meanings.polysomea polyribosomepolytene(molecular biology) Having very large chromosomes with many chromatids (arms).polytime(computing) polynomial timepolytoneA polyphonic ringtone.polytope(geometry) A geometric shape (of any number of dimensions) which is fully enclosed and has flat sides, making it a member of the generalized class of shapes which includes the two-dimensional polygon and three-dimensional polyhedron; (formally) a finite region of n-dimensional space bounded by hyperplanes.polytree(graph theory) a graph with at most one undirected path between any two vertices. In other words, a directed acyclic graph (DAG) for which there are no undirected cycles either.polytubeA polyethylene tube.polytypeAny of the types involved in polytypism.pomarineShort for pomarine jaegerpomelikeResembling or characteristic of a pome.pondlifeThe living creatures found in a pond.pondlikeResembling a pondponerineOf or relating to ants in the subfamily PonerinaeponylikeResembling or characteristic of a pony.poolableSuitable for pooling.poolsideBy the side of a pool.poonghieAlternative form of ponghee.poophole(vulgar, childish) anuspoophyteA plant that grows best in grass-covered meadows.pooplike(informal, childish) Resembling or characteristic of poop.popcrete(poetry) A genre of concrete poems assembled from images rather than words.popcycleMisspelling of popsicle.popelikeResembling or characteristic of a pope.popmaize(uncountable) Synonym of popcorn (“snack food”).poppablePossible to pop; capable of being popped.poppiite(mineralogy) A greenish-brown monoclinic mineral that is a basic silicate of calcium, vanadium, iron, magnesium and aluminiumpopsicle(figuratively) Something cold or frozen.populaceThe common people of a nation.populate(transitive) To supply with inhabitants; to people.porelikeResembling or characteristic of pores.poricide(botany) dehiscence through a poreporklikeResembling or characteristic of pork.pornlikeresembling pornography; pornographicpornsiteAlternative form of porn site.pornware(computing) Pornographic software or malware.porocyteOne of the tubular cells that make up the pores of a sponge.porosome(biology) Any of many cup-shaped structures in the cell membranes of eukaryotic cells where vesicles dock in the process of vesicle fusion and secretion.porotype(historical) A copy of a print or document made by placing it upon a chemically prepared paper which is acted upon by a gas that permeates the original.porpesseObsolete form of porpoise.porphineAlternative spelling of porphin.porphyreObsolete form of porphyry.porpoiseA small cetacean of the family Phocoenidae, related to dolphins and whales.porridgeA dish made of grain or legumes, milk or water, heated and stirred until thick and typically eaten for breakfast.portableAble to be carried or easily moved.portague(obsolete) An old Portuguese gold coin from the 16th century; the portuguêsportance(obsolete) The manner in which one carries oneself; behaviour.portegueObsolete form of portague.portesseObsolete spelling of porteous.portfire(historical) A fuse for cannons or other artillery, consisting of strong paper filled with a nitre, sulphur, and mealed powder, used principally to ignite the priming in proving guns, and as an incendiary material in shells.porthole(nautical) A circular window set in the hull of a ship.portiereAlternative spelling of portière.portigueAlternative form of portague.portlikeResembling or characteristic of port (fortified wine).portmote(law, obsolete, UK) A court, or mote, held in a port town.portoise(nautical) The gunwale of a ship.portsale(obsolete) public or open sale; auctionportsideOn the port (left) side of a ship.poruloseHaving porules.porwigleObsolete form of polliwog.poseableAlternative form of posable.positiveIncluded, present, characterized by affirmation.positone(mathematics) of a particular kind of eigenvalue problem involving a nonlinear function on the reals that is continuous, positive, and monotone.positureObsolete form of posture.possible(usually not comparable) Able but not certain to happen; neither inevitable nor impossible.postableCapable of being posted (in various senses).postbase(linguistics) A morpheme used as a suffix following either a base or another postbase.postcareAfter medical or psychiatric care.postcede(transitive, formal, rare) To come after (something or someone) chronologically.postcode(UK, Ireland) A sequence of letters and numbers added to a postal address to aid the sorting and delivery of post or mail.postdate(transitive) To occur after an event or time; to exist later on in time.postdose(medicine) Occurring after a dose has been administered.postfaceA piece of text, containing information normally included in a preface, placed at the back of a publication.postgame(sports) Following a game, usually specifically a sporting match.posthole(archaeology) A cut feature used to hold a surface timber or stone, usually much deeper than it is wide.posticheAny item of false hair worn on the head or face, such as a false beard or wig.postique(US, dated) A retail store selling items relating to postal mail, such as stamps and stationery.postlikeResembling or characteristic of a post (upright stake).postlude(music) The final part of a piece; especially music played (normally on the organ) at the end of a church service.postmile(US, California) highway location markerpostmoveAfter moving house.postnate(archaic) subsequentpostpipe(archaeology) The remains of an upright timber placed in a posthole.postponeTo delay or put off an event, appointment, etc.postpose(grammar, transitive) To place (a word or phrase) after another in a sentence, especially in order to modify itpostraceFollowing a racepostraveAfter the era of rave music.postwiseSynonym of post (“on post-horses; by a relay of horses, for speed”).potarite(mineralogy) A tetragonal-ditetragonal dipyramidal silver white mineral containing mercury and palladium.potativeRelating to potation, or drinking.pothouseAlternative spelling of pot-house.potorine(zoology) Potoroo.potscapeAn artistic arrangement of plants in pots.potshareObsolete form of potsherd.potstone(mineralogy) A variety of steatite sometimes manufactured into culinary vessels.pottable(billiards, snooker, pool) Able to be potted.pottsite(mineralogy) A tetragonal-trapezohedral bright yellow mineral containing bismuth, hydrogen, lead, oxygen, and vanadium.poubaite(mineralogy) A trigonal-hexagonal scalenohedral silver white mineral containing bismuth, lead, selenium, sulfur, and tellurium.poubelle(rare) A garbage can.poughite(mineralogy) An orthorhombic-dipyramidal mineral containing hydrogen, iron, oxygen, sulfur, and tellurium.poulaineA long, pointed toe of a shoe, a style fashionable in the 14th and 15th centuries.poulardeAlternative form of poulard (“young spayed hen”).poulticeA porous solid filled with solvent, used to remove stains from porous stone such as marble or granite.poundage(countable) A charge based on the weight of something in pounds.pourableAble to be poured.poutsomeCharacterised or marked by poutingpovertieObsolete spelling of poverty.povidineMisspelling of povidone.povidoneA powdered form of polyvinylpyrrolidone that is used as a dispersing and suspending agent in drugs.practiceRepetition of an activity to improve a skill.practise(transitive) To repeat (an activity) as a way of improving one's skill in that activity.practive(obsolete) Active or practical.praecipe(law) A writ demanding action, or requiring a reason for neglecting it.pramfaceAlternative form of pram face.prankage(informal) The playing of pranks.pratique(nautical) Permission to use a port given to a ship after compliance with quarantine or on conviction that she is free of contagious disease.prayableCapable of being prayed.preacheeOne who is preached to; the recipient of a sermon.preacute(medicine) Prior to the acute phase.preambleA short preliminary statement or remark, especially an explanatory introduction to a formal document or statute.prebingeBefore a binge.prebrokesimple past of prebreakprecache(transitive, computing) To cache in advance.prechosesimple past of prechoosepreclare(obsolete, Scotland) illustrious, distinguishedpreclude(transitive) To remove the possibility of; to rule out; to prevent or exclude; to render impossible.precrimeBefore a crime.precurse(transitive) To forerun or precede.precycleTo avoid the need to recycle, for example by not using prepackaging.predable(obsolete) predaceouspredanceBefore a dance.prefereeOne who is preferred.preferreObsolete form of prefer.preflameBefore the formation of a flame.preflare(astronomy) Prior to the eruption of a solar flareprefrozesimple past of prefreezepregenreAlternative form of pre-genre.pregnane(organic chemistry) The parent hydrocarbon for a range of steroids including the progesteronespregnate(obsolete, transitive) To impregnate.pregnene(organic chemistry) Any derivative of pregnane having a double bond in the A-ringprehnite(mineralogy) A mineral, a basic calcium, aluminium and iron aluminosilicate, which occurs in stalactitic aggregates or curved crystals, Ca₂Al₂Si₃O₁₀(OH)₂.prehorseOf relating to the epoch before horses were domesticated.preimage(mathematics) For a given function, the set of all elements of the domain that are mapped into a given subset of the codomain; (formally) given a function ƒ : X → Y and a subset B ⊆ Y, the set ƒ⁻¹(B) = {x ∈ X : ƒ(x) ∈ B}.prejudge(ambitransitive) To form a judgment of (something) in advance.prelease(transitive) To arrange a lease for in advance.premiate(transitive) To give a prize to.premiereThe first showing of a film, play or other form of entertainment, often held as a special event with celebrity guests.premorse(archaic, botany) Terminated abruptly, or as if bitten off.premouse(set theory) A generalization of a mouse that is not necessarily iterable.prentice(transitive, obsolete) To apprentice.preobeseDescribing people who are not yet, but will become obesepreparse(transitive) To parse in advance.prepaste(transitive) To paste in advance.prepauseSynonym of prepausal.prepenseDevised, contrived, or planned beforehand; preconceived, premeditated.prephaseA prior phase; the condition before a particular phasepreplace(transitive) To place in advance.preplate(anatomy) The structure, located near the pia, that develops into the cortical platepreprice(transitive) To price in advance.prepulseA weak pulse (stimulus) that inhibits a reaction to a subsequent stronger oneprepupaeplural of prepupaprerinse(transitive) To rinse in advance.preroute(transitive) To route in advance.presbyte(archaic) A presbyope.prescale(transitive) To scale in advance.prescore(transitive) To provide (a film, etc.) with a musical score in advance.presenceThe fact or condition of being present, or of being within sight or call, or at hand.preserveA sweet spread made of any of a variety of fruits.preshape(transitive) To shape in advance.preshaveDesigned for application before shavingpreslice(transitive) To slice in advance.prespace(science fiction) Of a civilization: having yet to develop space travel.prespikeA presynaptic spikeprespore(biology, of a cell) Destined to become part of the spore of a fruiting body.pressive(obsolete) pressing; urgentpressureA pressing; a force applied to a surface.prestatePrior to status as a state.prestigeThe quality of how good the reputation of something or someone is, how favourably something or someone is regarded.presurgeOccurring or being the case before a surgepretasteA taste taken beforehand.pretenceBritish standard spelling of pretense.pretense(uncountable) Affectation or ostentation of manner.pretrade(finance) Before a trade.prevaileObsolete spelling of prevail.prevenge(humorous) The act of taking, or an action taken against someone or something, ostensibly in retaliation for another act that has not yet been committed; pre-emptive action characterized as revenge.prewrite(transitive) To make a first draft of ideas and format for an essay, thesis, article, or book as a plan for the actual writing.prewrotesimple past of prewritepriceite(mineralogy) A monoclinic-prismatic white mineral containing boron, calcium, hydrogen, and oxygen.primroseA flowering plant of the genus Primula.principeAn Italian prince.prionose(pathology) Related to prionoses.priorateThe dignity, office, or government of a prior.prismane(organic chemistry) a polycyclic hydrocarbon, C₆H₆, having the shape of a regular triangular prism; any derivative of this compoundpristane(organic chemistry) A natural saturated terpenoid alkane, 2,6,10,14-tetramethylpentadecane, used as a lubricant, an anticorrosion agent, and in medical researchpristineUnspoiled; still with its original purity; uncorrupted or unsullied.prizableFit to be prized or treasured; valuable.probableLikely or most likely to be true.problemeObsolete form of problem.procaine(pharmacology) A synthetic compound derived from benzoic acid, used as a local anesthetic, especially in dentistry.procelle(obsolete) A storm, a tempest.proclameObsolete spelling of proclaim.procline(intransitive, dentistry) Of teeth, to lean forward.proclive(archaic) Having a tendency by nature; proneprocoele(anatomy) A lateral cavity of the prosencephalon; a lateral ventricle of the brain.prodnose(slang) Synonym of busybody.prodromeAn introductory or preliminary book or treatise.profileeA person who is profiled.proglikeAlternative spelling of prog-like.prognose(medicine, transitive) To make a prognosis.prograde(astronomy) Moving in a forward direction, especially with respect to other bodies in the same system.prolapse(intransitive) To move out of place; especially for an internal organ to protrude beyond its normal position.prologue(literature, rhetoric) A speech or section used as an introduction, especially to a play or novel.prolonge(military, historical) A rope with a hook and a toggle, sometimes used to drag a gun carriage or to tie it to the limber, and for various other purposes.promisee(law) A person who receives a promise.promlikeResembling or characteristic of a prom.promoteeOne who is promoted.promulge(transitive) To promulgate; to publish or teach.pronouneObsolete form of pronoun.propense(archaic) Leaning toward, in a moral sense; inclined; disposed; prone.prophage(biology) The latent form of a bacteriophage in which the viral genome is inserted into the host chromosome.prophane(hypercorrect) Obsolete form of profane.prophaseThe first stage of mitosis, during which chromatin condenses to form the chromosomes.propione(organic chemistry) The ketone of propionic acid.proposeeThe person to whom a proposal of marriage is made.proppage(rare) That which props or supports.proptose(ophthalmology) To displace (an eye) in its socket; to cause exophthalmus.propulse(transitive) To propel; to drive forward.prorogue(transitive, now rare) To defer.prosporeThat develops into a sporeprostane(organic chemistry) The alicyclic hydrocarbon 1-heptyl-2-octylcyclopentane or any of its derivativesprostateThe prostate gland.prostyle(of a structure) Having pillars only along the front sideprotease(biochemistry) An enzyme that cuts or cleaves proteins.protegeeAlternative spelling of protégée.proteide(biochemistry) A compound consisting of a protein bound to another non-protein molecule.proteome(biochemistry, genetics) The complete set of proteins encoded by a particular genome.proteose(chemistry, dated) A mixture of peptides produced by the hydrolysis of proteins.prothese(archaic) Alternative form of prosthesis (artificial body part replacement)protradeSupporting or favouring trade.protrudeTo cause (something) to extend above, beyond, or from a boundary or surface; to cause (something) to project or stick out.proudite(mineralogy) A monoclinic-prismatic silver gray mineral containing antimony, bismuth, copper, lead, selenium, silver, and sulfur.prouerbeObsolete spelling of proverb.provableOf a statement or hypothesis that can be proven.proverse(aviation) Describing the tendency of a plane to roll in the same direction as yaw.provideeThe person to whom something is provided; the recipient.provinceA region of the earth or of a continent; a district or country.provokeeOne who is subjected to provocation.prowhiteSupporting or favouring white people.prowlikeResembling the prow of a boat.prudenceSynonym of providence (“preparation for the future; foresight”).pruinose(botany) Having a very fine whitish powder (bloom) on a surface.prunableCapable of being pruned.prunelleA kind of small and very acid French plum, especially when stoned and dried, from Prunus spinosa.prussideSynonym of cyanide.psammite(mineralogy) Any sandstone, but most often a metamorphosed rock unit with a dominantly sandstone protolithpsephiteA sediment or sedimentary rock composed of fragments that are coarser than sand and which are enclosed in a matrix that varies in kind and amount.psephyteA lake-bottom sediment composed of plant remains.pterylaeplural of pterylaptomaine(chemistry) Any of various amines formed by putrefactive bacteria.ptyalineAlternative form of ptyalin.ptyaliseAlternative form of ptyalize.ptyalize(intransitive, rare) To spit.pubarcheThe first appearance of pubic hair in a child.pubelikeResembling a pube (pubic hair)puberateBeing a puber (between puberty and maturity).pubicide(countable, slang) Any of the various chemicals used to kill pubic lice.publiqueObsolete form of public.pucelage(archaic) Virginity.pucklikeResembling or characteristic of a puck.puellile(formal, chiefly derogatory) Characteristic of, or pertaining to, a girl or girls.puellineSynonym of puellile (“characteristic of, or pertaining to, a girl or girls”).puffableCapable of being puffed.puggareeAlternative form of puggry.puggerieAlternative form of puggry.puhleaseAlternative form of puh-lease.puhleezeAlternative spelling of puh-lease.pukalide(organic chemistry) A macrolide, methyl (2R,4S,6R,12S)-4-methyl-8-oxo-12-prop-1-en-2-yl-3,7,17-trioxatetracyclo[12.2.1.16,9.02,4]octadeca-1(16),9(18),14-triene-15-carboxylate, present in the soft coral Sinularia abruptapukeface(slang, derogatory) A contemptible, undesirable, or ugly person.pukehole(derogatory, rare) Synonym of shithole (“very dirty or unpleasant place”).pulegone(organic chemistry) A monoterpenoid ketone, found in pennyroyal, that is toxic to dogs and catspulghereThe physic nut (Jatropha curcas).puliceneOf or pertaining to fleas; pulicose.pulicideAlternative form of pulicicide.pulicineof or pertaining to fleas.pulicoseAlternative form of pulicous.pullableCapable of being pulled.pulpableSuitable for being pulped.pulplikeResembling pulp; pulpy.pulsableAble to be activated in pulses.pultrudeTo draw resin-coated glass fibres through a heated die in order to make a composite materialpulvilleAlternative form of pulvillio.pumalikeResembling or characteristic of a puma.pumiciteA fine-grained pumice-like volcanic ash.pumpableable to be pumpedpumplikeResembling or characteristic of a pump.punctate(anatomy) Marked by spots, dots, points, or punctures.punctuleA little point or spot.punctureThe act or an instance of puncturing.pundette(slang) A female pundit.pungenceThe quality of odor/odour that stings the nose, said especially of acidic or spicy substances.punicineSynonym of pelletierine.punisheeA person undergoing punishment.punitive(law, military) Inflicting punishment; punishing.punketteA female member of the punk subculture.punklike(music) Similar to, or reminiscent of, punk rock or similar styles.punkzineAlternative spelling of punk zine.punnableAble to be made into a pun.punsareeAlternative form of pansari.pupacideAny pesticide that attacks the pupal stage of an insectpupativeMisspelling of putative.pupilageThe condition of being a pupil.pupinize(transitive, historical) To extend the range of (a long-distance telephone communication network) by means of the Pupin system.pupylome(biochemistry) All the pupylated proteins of an organism.purchaseThe acquisition of title to, or property in, anything for a price; buying for money or its equivalent.purlicueThe space between one's forefinger and thumb.purlwise(knitting) By purling.purprise(obsolete) An enclosed space, such as the land within the borders of a manor.purrlikeResembling a purr.purslaneAny of the family Portulacaceae (order Caryophyllales) of succulent plants.pursuiteObsolete form of pursuit.pushableCapable of being pushed.pushbike(UK, Ireland, Commonwealth, informal) A pedal bicycle, as distinguished from a motorized bicycle.putativeCommonly believed or deemed to be the case; generally assumed.putresce(intransitive) To putrefy.puttable(finance) Having the right to be sold at a predetermined price.pylagore(Ancient Greece) A deputy of a state at the amphictyonic council.pyramideObsolete form of pyramid.pyranine(chemistry) A hydrophilic, pH-sensitive fluorescent arylsulfonate dye.pyranone(organic chemistry) Synonym of pyrone.pyranose(chemistry) any cyclic hemiacetal form of a monosaccharide having a six-membered ring (based on tetrahydropyran)pyratone(historical) A plastic-like substance once used for the outer coating of golf clubs.pyrazine(organic chemistry) A diazine in which the two nitrogen atoms are in the para- positions; many of its derivatives are pharmaceuticals.pyrazole(organic chemistry) A group of compounds containing that structure.pyribole(mineralogy) Any mineral of either the pyroxene or amphibole groups.pyridine(organic chemistry) Any of a class of aromatic heterocyclic compounds containing a ring of five carbon atoms and a nitrogen atom; especially the simplest one, C₅H₅N.pyridone(organic chemistry) Either of two isomeric derivatives of pyridine having a carbonyl group either ortho- or para- to the nitrogen atom; in its tautomeric form, it is the pyridine analogue of phenol.pyridyne(organic chemistry) The pyridine analogue of benzyne.pyritiseAlternative form of pyritize.pyritize(transitive) To convert something into pyrites.pyritose(obsolete, mineralogy) pyritouspyroliteA theoretical rock considered to be the best approximation of the composition of Earth's upper mantle, generally considered to be one part tholeiitic basalt and three parts dunite.pyrolizeAlternative spelling of pyrolyse.pyrolyse(intransitive, chemistry) To undergo pyrolysis.pyrolyzeUS spelling of pyrolyse.pyronineAny of a group of xanthene dyes used to stain RNA, especially in electrophoresis.pyrosomeAny of several pelagic colonial tunicates, of the genus Pyrosoma, found in tropical waters.pyroxene(mineralogy) Any of a group of crystalline minerals containing silicates of iron, magnesium and calcium.pyroxyleArchaic form of pyroxylin.pyrozone(historical) A preparation of ether peroxide used as a mouthwash.pyrrhite(mineralogy) A form of pyrochlorepyruvate(biochemistry) Any salt or ester of pyruvic acid.pyxidateHaving a pyxidium.