| myrrh | (noun) aromatic resin that is burned as incense and used in perfume | Synonyms: gum myrrh, sweet cicely |
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| myrtle | (noun) any evergreen shrub or tree of the genus Myrtus | - |
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| (noun) widely cultivated as a groundcover for its dark green shiny leaves and usually blue-violet flowers | Synonyms: Vinca minor |
| palmyra | (noun) tall fan palm of Africa and India and Malaysia yielding a hard wood and sweet sap that is a source of palm wine and sugar; leaves used for thatching and weaving | Synonyms: Borassus flabellifer, longar palm, lontar, palmyra palm, toddy palm, wine palm |
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| panegyric | (adjective) formally expressing praise | Synonyms: encomiastic, eulogistic, panegyrical |
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| (noun) a formal expression of praise | Synonyms: encomium, eulogy, paean, pean |
| panegyrical | (adjective) formally expressing praise | Synonyms: encomiastic, eulogistic, panegyric |
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| panegyrist | (noun) an orator who delivers eulogies or panegyrics | Synonyms: eulogist |
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| papyrus | (noun) a document written on papyrus | - |
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| (noun) tall sedge of the Nile valley yielding fiber that served many purposes in historic times | Synonyms: Cyperus papyrus, Egyptian paper reed, Egyptian paper rush, paper plant, paper rush |
| (noun) paper made from the papyrus plant by cutting it in strips and pressing it flat; used by ancient Egyptians and Greeks and Romans | - |
| parathyroid | (noun) any one of four endocrine glands situated above or within the thyroid gland | Synonyms: parathyroid gland |
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| payroll | (noun) the department that determines the amounts of wage or salary due to each employee | Synonyms: payroll department |
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| (noun) a list of employees and their salaries | Synonyms: paysheet |
| (noun) the total amount of money paid in wages | Synonyms: paysheet |
| pennyroyal | (noun) Eurasian perennial mint have small lilac-blue flowers and ovate leaves; yields an aromatic oil | Synonyms: Mentha pulegium |
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| (noun) erect hairy branching American herb having purple-blue flowers; yields an essential oil used as an insect repellent and sometimes in folk medicine | Synonyms: American pennyroyal, Hedeoma pulegioides |
| phenazopyridine | (noun) analgesic (trade name Pyridium) used to treat urinary tract infections | Synonyms: Pyridium |
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| pityriasis | (noun) any of several skin disorders characterized by shedding dry flakes of skin | - |
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| platyrhine | (adjective) of or related to New World monkeys having nostrils far apart or to people with broad noses | Synonyms: broadnosed, platyrhinian, platyrrhine, platyrrhinian, platyrrhinic |
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| platyrhinian | (adjective) of or related to New World monkeys having nostrils far apart or to people with broad noses | Synonyms: broadnosed, platyrhine, platyrrhine, platyrrhinian, platyrrhinic |
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| platyrrhine | (adjective) of or related to New World monkeys having nostrils far apart or to people with broad noses | Synonyms: broadnosed, platyrhine, platyrhinian, platyrrhinian, platyrrhinic |
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| (noun) hairy-faced arboreal monkeys having widely separated nostrils and long usually prehensile tails | Synonyms: New World monkey, platyrrhinian |
| platyrrhinian | (adjective) of or related to New World monkeys having nostrils far apart or to people with broad noses | Synonyms: broadnosed, platyrhine, platyrhinian, platyrrhine, platyrrhinic |
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| (noun) hairy-faced arboreal monkeys having widely separated nostrils and long usually prehensile tails | Synonyms: New World monkey, platyrrhine |
| platyrrhinic | (adjective) of or related to New World monkeys having nostrils far apart or to people with broad noses | Synonyms: broadnosed, platyrhine, platyrhinian, platyrrhine, platyrrhinian |
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| playroom | (noun) a recreation room for noisy activities (parties or children's play etc) | Synonyms: game room, rumpus room |
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| polystyrene | (noun) a polymer of styrene; a rigid transparent thermoplastic | - |
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| porphyria | (noun) a genetic abnormality of metabolism causing abdominal pains and mental confusion | - |
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| porphyrin | (noun) any of various pigments distributed widely in living tissues | - |
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| porphyritic | (adjective) (of rocks) consisting of porphyry or containing large crystals in a fine groundmass of minerals | - |
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| porphyry | (noun) any igneous rock with crystals embedded in a finer groundmass of minerals | Synonyms: porphyritic rock |
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| puttyroot | (noun) North American orchid bearing a single leaf and yellowish-brown flowers | Synonyms: adam-and-eve, Aplectrum hyemale |
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| pyracanth | (noun) any of various thorny shrubs of the genus Pyracantha bearing small white flowers followed by hard red or orange-red berries | Synonyms: fire thorn, firethorn, Pyracantha |
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| pyralid | (noun) usually tropical slender-bodied long-legged moth whose larvae are crop pests | Synonyms: pyralid moth |
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| pyramid | (noun) (stock market) a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchases | - |
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| (noun) a polyhedron having a polygonal base and triangular sides with a common vertex | - |
| (verb) increase rapidly and progressively step by step on a broad base | - |
| (verb) arrange or build up as if on the base of a pyramid | - |
| (verb) enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts | - |
| (verb) use or deal in (as of stock or commercial transaction) in a pyramid deal | - |
| pyramidal | (adjective) resembling a pyramid | Synonyms: pyramidic, pyramidical |
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| pyramidic | (adjective) resembling a pyramid | Synonyms: pyramidal, pyramidical |
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| pyramidical | (adjective) resembling a pyramid | Synonyms: pyramidal, pyramidic |
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| pyramidically | (adverb) in a pyramidal manner or shape | - |
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| pyramiding | (noun) a fraudulent business practice involving some form of pyramid scheme e.g., the chain of distribution is artificially expanded by an excessive number of distributors selling to other distributors at progressively higher wholesale prices until retail prices are unnecessarily inflated | - |
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| pyre | (noun) wood heaped for burning a dead body as a funeral rite | Synonyms: funeral pyre |
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| pyrectic | (adjective) having or causing fever | - |
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| (noun) any substance that can cause a rise in body temperature | Synonyms: pyrogen |
| pyrene | (noun) the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it | - |
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| (noun) a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar | - |
| pyrethrum | (noun) spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; sometimes placed in genus Chrysanthemum | Synonyms: Chrysanthemum coccineum, painted daisy, Tanacetum coccineum |
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| (noun) white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum | Synonyms: Chrysanthemum cinerariifolium, Dalmatia pyrethrum, Dalmatian pyrethrum, Tanacetum cinerariifolium |
| (noun) made of dried flower heads of pyrethrum plants | - |
| pyretic | (adjective) causing fever | - |
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| pyrexia | (noun) a rise in the temperature of the body; frequently a symptom of infection | Synonyms: febricity, febrility, fever, feverishness |
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| pyridine | (noun) a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal | - |
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| pyridoxal | (noun) a B vitamin that is essential for metabolism of amino acids and starch | Synonyms: adermin, pyridoxamine, pyridoxine, vitamin B6 |
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| pyridoxamine | (noun) a B vitamin that is essential for metabolism of amino acids and starch | Synonyms: adermin, pyridoxal, pyridoxine, vitamin B6 |
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| pyridoxine | (noun) a B vitamin that is essential for metabolism of amino acids and starch | Synonyms: adermin, pyridoxal, pyridoxamine, vitamin B6 |
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| pyrilamine | (noun) antihistamine used to treat rhinitis and pruritus | - |
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| pyrimidine | (noun) a heterocyclic organic compound with a penetrating odor | - |
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| (noun) any of several basic compounds derived from pyrimidine | - |
| pyrite | (noun) a common mineral (iron disulfide) that has a pale yellow color | Synonyms: fool's gold, iron pyrite |
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| pyrites | (noun) any of various metallic-looking sulfides (of which pyrite is the commonest) | - |
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| pyrocellulose | (noun) nitrocellulose containing less nitrogen than guncotton; used in making smokeless powder | - |
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| pyrochemical | (adjective) of or relating to or produced by chemical reactions at high temperatures | - |
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| pyrochemistry | (noun) processes for chemical reactions at high temperatures | Synonyms: pyrochemical process |
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| pyroelectric | (adjective) relating to or exhibiting pyroelectricity | Synonyms: pyroelectrical |
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| pyroelectrical | (adjective) relating to or exhibiting pyroelectricity | Synonyms: pyroelectric |
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| pyroelectricity | (noun) generation of an electric charge on certain crystals (such as tourmaline) as a result of a change in temperature | - |
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| pyrogallic | (adjective) of or relating to pyrogallol | - |
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| pyrogallol | (noun) a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer | Synonyms: pyrogallic acid |
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| pyrogen | (noun) any substance that can cause a rise in body temperature | Synonyms: pyrectic |
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| (noun) any substance characterized by its great flammability | - |
| pyrogenetic | (adjective) produced by or producing fever | Synonyms: pyrogenic, pyrogenous |
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| pyrogenic | (adjective) produced under conditions involving intense heat | Synonyms: igneous, pyrogenous |
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| (adjective) produced by or producing fever | Synonyms: pyrogenetic, pyrogenous |
| pyrogenous | (adjective) produced under conditions involving intense heat | Synonyms: igneous, pyrogenic |
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| (adjective) produced by or producing fever | Synonyms: pyrogenetic, pyrogenic |
| pyrograph | (noun) a design produced by pyrography | - |
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| pyrographer | (noun) an artist who practices pyrography | - |
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| pyrographic | (adjective) of or relating to or produced by pyrography | - |
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| pyrography | (noun) the act of producing drawings on wood or leather by using heated tools or a fine flame | - |
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| pyrola | (noun) any of several evergreen perennials of the genus Pyrola | Synonyms: wintergreen |
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| pyrolatry | (noun) the worship of fire | Synonyms: fire-worship |
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| pyroligneous | (adjective) of a substance produced by the effect of heat on wood, especially by destructive distillation | Synonyms: pyrolignic |
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| pyrolignic | (adjective) of a substance produced by the effect of heat on wood, especially by destructive distillation | Synonyms: pyroligneous |
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| pyrolusite | (noun) a mineral consisting of manganese dioxide; an important source of manganese | - |
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| pyrolysis | (noun) transformation of a substance produced by the action of heat | - |
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| pyrolytic | (adjective) resulting from pyrolysis | - |
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| pyromancer | (noun) one who practices pyromancy | - |
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| pyromancy | (noun) divination by fire or flames | - |
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| pyromania | (noun) an uncontrollable desire to set fire to things | - |
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| pyromaniac | (noun) a person with a mania for setting things on fire | - |
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| pyrometer | (noun) a thermometer designed to measure high temperatures | - |
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| pyromorphite | (noun) a mineral consisting of lead chloride and phosphate; a minor source of lead | Synonyms: green lead ore |
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| pyrope | (noun) a deep red garnet used as a gemstone | - |
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| pyrophobia | (noun) a morbid fear of fire | - |
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| pyrophosphate | (noun) a salt or ester of pyrophosphoric acid | - |
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| pyrophyllite | (noun) a white or greenish aluminum silicate mineral (resembles talc) | - |
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| pyroscope | (noun) a pyrometer that uses the color of the light emitted by a hot object | Synonyms: optical pyrometer |
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| pyrosis | (noun) a painful burning sensation in the chest caused by gastroesophageal reflux (backflow from the stomach irritating the esophagus); symptomatic of an ulcer or a diaphragmatic hernia or other disorder | Synonyms: heartburn |
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| pyrostat | (noun) a thermostat that operates at very high temperatures | - |
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| pyrotechnic | (adjective) of or relating to the craft of making fireworks | Synonyms: pyrotechnical |
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| (adjective) suggestive of fireworks | - |
| (noun) (usually plural) a device with an explosive that burns at a low rate and with colored flames; can be used to illuminate areas or send signals etc. | Synonyms: firework |
| pyrotechnical | (adjective) of or relating to the craft of making fireworks | Synonyms: pyrotechnic |
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| pyrotechnics | (noun) the craft of making fireworks | Synonyms: pyrotechny |
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| (noun) (music) brilliance of display (as in the performance of music) | - |
| pyrotechny | (noun) the craft of making fireworks | Synonyms: pyrotechnics |
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| pyroxene | (noun) any of a group of crystalline silicate mineral common in igneous and metamorphic rocks | - |
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| pyroxylin | (noun) highly flammable nitrocellulose used in making collodion and plastics and lacquers | Synonyms: pyroxyline |
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| pyroxyline | (noun) highly flammable nitrocellulose used in making collodion and plastics and lacquers | Synonyms: pyroxylin |
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| pyrrhic | (adjective) of or relating to or resembling Pyrrhus or his exploits (especially his sustaining staggering losses in order to defeat the Romans) | - |
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| (adjective) of or relating to or containing a metrical foot of two unstressed syllables | - |
| (adjective) of or relating to a war dance of ancient Greece | - |
| (noun) an ancient Greek dance imitating the motions of warfare | - |
| (noun) a metrical unit with unstressed-unstressed syllables | Synonyms: dibrach |
| pyrrhotine | (noun) a brownish iron sulfide mineral (FeS) having weak magnetic properties | Synonyms: magnetic pyrites, pyrrhotite |
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| pyrrhotite | (noun) a brownish iron sulfide mineral (FeS) having weak magnetic properties | Synonyms: magnetic pyrites, pyrrhotine |
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| pyrrhuloxia | (noun) crested grey-and-red bird of southwest United States and Mexico | Synonyms: Pyrrhuloxia sinuata |
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| relyric | (verb) write new lyrics for (a song) | - |
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| satyr | (noun) one of a class of woodland deities; attendant on Bacchus; identified with Roman fauns | Synonyms: forest god |
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| (noun) man with strong sexual desires | Synonyms: lech, lecher, letch |
| satyriasis | (noun) abnormally intense sexual desire in men | - |
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| satyric | (adjective) of or relating to or having the characteristics of a satyr | Synonyms: satyrical |
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| satyrical | (adjective) of or relating to or having the characteristics of a satyr | Synonyms: satyric |
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| scammonyroot | (noun) tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato | Synonyms: Ipomoea fastigiata, Ipomoea panurata, man-of-the-earth, manroot, wild potato vine, wild sweet potato vine |
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| skyrocket | (noun) sends a firework display high into the sky | Synonyms: rocket |
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| (noun) propels bright light high in the sky, or used to propel a lifesaving line or harpoon | Synonyms: rocket |
| (verb) shoot up abruptly, like a rocket | Synonyms: rocket |