Copy of `Princeton University - WordNet - a lexical database for the English language`

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Princeton University - WordNet - a lexical database for the English language Category: General Date & country: 27/01/2008, USA Words: 85192

pyramidically
adverb in a pyramidal manner or shape; `the bush was trimmed pyramidically`

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

Pyrausta
genus Pyrausta noun moths whose larvae are corn borers

pyre
funeral pyre noun wood heaped for burning a dead body as a funeral rite

pyrectic
adjective having or causing fever

pyrene
noun the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it

Pyrenees
noun a chain of mountains between France and Spain

Pyrenees daisy
Leucanthemum lacustre noun perennial of Portugal similar to the oxeye daisy

Pyrenomycetes
class Pyrenomycetes noun class of fungi in which the fruiting body is a perithecium; includes powdery mildews and ergot and Neurospora

Pyrethrum
genus Pyrethrum noun used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum

pyrethrum
Dalmatia pyrethrum 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

pyretic
adjective causing fever

Pyrex
noun a borosilicate glass with a low coefficient of expansion; used for heat-resistant glassware in cooking and chemistry

pyridine
noun a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal

pyriform area
piriform area noun pear-shaped neural structure on either side of the brain in the rhinencephalon

pyrilamine
noun antihistamine used to treat rhinitis and pruritus

pyrimidine
noun a heterocyclic organic compound with a penetrating odor

pyrite
iron pyrite noun a common mineral (iron disulfide) that has a pale yellow color

pyrites
noun any of various metallic-looking sulfides (of which pyrite is the commonest)

pyrocellulose
noun nitrocellulose containing less nitrogen than guncotton; used in making smokeless powder

Pyrocephalus
genus Pyrocephalus noun a genus of Tyrannidae

pyrochemical
adjective of or relating to or produced by chemical reactions at high temperatures

pyrochemical process
pyrochemistry noun processes for chemical reactions at high temperatures

pyroelectric
pyroelectrical adjective relating to or exhibiting pyroelectricity

pyroelectricity
noun generation of an electric charge on certain crystals (such as tourmaline) as a result of a change in temperature

pyrogallic
adjective of or relating to pyrogallol

pyrogallol
pyrogallic acid noun a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer

pyrogen
pyrectic noun any substance that can cause a rise in body temperature

pyrogenic
pyrogenous adjective produced under conditions involving intense heat; `igneous rock is rock formed by solidification from a molten state; especially from molten magma`; `igneous fusion is fusion by heat alone`; `pyrogenic strata`

pyrograph
noun a design produced by pyrography

pyrographer
noun an artist who practices pyrography

pyrographic
adjective of or relating to or produced by pyrography

pyrography
noun the act of producing drawings on wood or leather by using heated tools or a fine flame

Pyrola elliptica
noun North American evergreen with small pinkish bell-shaped flowers and oblong leaves used formerly for shinplasters

Pyrola rotundifolia
noun evergreen with rounded leaves and very fragrant creamy-white flowers; widely distributed in northern parts of Old and New Worlds

Pyrolaceae
family Pyrolaceae noun evergreen herbs of temperate regions: genera Pyrola, Chimaphila, Moneses, Orthilia

pyrolatry
fire-worship noun the worship of fire

pyroligneous
pyrolignic adjective of a substance produced by the effect of heat on wood, especially by destructive distillation

pyroligneous acid
wood vinegar noun a red-brown liquid formed in distillation of wood which contains acetic acid, methanol, acetone, wood oils, and tars

pyrolusite
noun a mineral consisting of manganese dioxide; an important source of manganese

pyrolysis
noun transformation of a substance produced by the action of heat

pyrolytic
adjective resulting from pyrolysis

pyromancer
noun one who practices pyromancy

pyromancy
noun divination by fire or flames

pyromania
noun an uncontrollable desire to set fire to things

pyromaniac
noun a person with a mania for setting things on fire

pyrometer
noun a thermometer designed to measure high temperatures

pyrometric cone
noun a pyrometer consisting of a series of cones that melt at different temperatures

pyromorphite
green lead ore noun a mineral consisting of lead chloride and phosphate; a minor source of lead

pyrope
noun a deep red garnet used as a gemstone

pyrophobia
noun a morbid fear of fire

pyrophoric alloy
noun an alloy that emits sparks when struck or scratched with steel; used in lighter flints

Pyrophorus
genus Pyrophorus noun tropical click beetles

pyrophosphate
noun a salt or ester of pyrophosphoric acid

pyrophosphoric acid
noun a solid acid formed by reactions of orthophosphoric acid

pyrophyllite
noun a white or greenish aluminum silicate mineral (resembles talc)

pyrostat
noun a thermostat that operates at very high temperatures

pyrotechnic
pyrotechnical adjective of or relating to the craft of making fireworks; `pyrotechnic smokes`

pyrotechnics
pyrotechny noun the craft of making fireworks

pyroxene
noun any of a group of crystalline silicate mineral common in igneous and metamorphic rocks

pyroxylin
pyroxyline noun highly flammable nitrocellulose used in making collodion and plastics and lacquers

pyrrhic
adjective of or relating to or resembling Pyrrhus or his exploits (especially his sustaining staggering losses in order to defeat the Romans); `a Pyrrhic victory`

pyrrhic
noun a metrical unit with unstressed-unstressed syllables

Pyrrhic victory
noun a victory that is won by incurring terrible losses

Pyrrhocoridae
family Pyrrhocoridae noun firebugs

pyrrhotite
pyrrhotine noun a brownish iron sulfide mineral (FeS) having weak magnetic properties

Pyrrhula
genus Pyrrhula noun bullfinches

pyrrhuloxia
Pyrrhuloxia sinuata noun crested grey-and-red bird of southwest United States and Mexico

Pyrrhus
noun king of Epirus; defeated the Romans in two battles in spite of staggering losses (319-272 BC)

Pyrrophyta
phylum Pyrrophyta noun a division of lower plants comprising unicellular and biflagellate algae that form starchy compounds

Pyrrosia
genus Pyrrosia noun epiphytic or lithophytic or terrestrial ferns of tropical Old World

Pyrularia
genus Pyrularia noun small genus of chiefly Asiatic parasitic shrubs

Pyrus
genus Pyrus noun fruit trees native to the Old World: pears

pyruvic acid
noun a colorless acid formed as an important intermediate in metabolism or fermentation

Pythagoras
noun Greek philosopher and mathematician who proved the Pythagorean theorem; considered to be the first true mathematician (circa 580-500 BC)

Pythagorean
adjective of or relating to Pythagoras or his geometry; `Pythagorean philosophy`; `Pythagorean theorem`

Pythia
noun (Greek mythology) the priestess of Apollo at Delphi who transmitted the oracles

Pythiaceae
family Pythiaceae noun fungi having sporangia usually borne successively and singly at the tips of branching sporangiophores

Pythian Games
noun the ancient Panhellenic celebration at Delphi held every four years in the third year of the Olympiad in honor of Apollo

pythium
noun any fungus of the genus Pythium

Pythius
noun epithet for Apollo; from the dragon Python which he killed

python
noun large Old World boas

pythoness
noun a witch with powers of divination

Pythonidae
family Pythonidae noun in some classifications a family separate from Boidae comprising Old World boas

Pythoninae
subfamily Pythoninae noun Old World boas: pythons; in some classifications considered a separate family from Boidae

pyuria
noun presence of white blood cells in the urine; symptom of urinary tract infection

pyx
pix noun any receptacle in which wafers for the Eucharist are kept

pyx
pix chest noun a chest in which coins from the mint are held to await assay

pyx chest
pix chest noun a chest in which coins from the mint are held to await assay

Pyxidanthera
genus Pyxidanthera noun one species: pyxie; the eastern United States

pyxidium
pyxis noun fruit of such plants as the plantain; a capsule whose upper part falls off when the seeds are released

pyxie
pixie noun creeping evergreen shrub having narrow overlapping leaves and early white star-shaped flowers; of the pine barrens of New Jersey and the Carolinas

pyxis
noun a small box used by ancient Greeks to hold medicines

qadi
noun an Islamic judge

Qassam Brigades
Salah al-Din Battalions noun the military arm of Hamas responsible for suicide bombings and other attacks on Israel

Qatar
State of Qatar noun an Arab country on the peninsula of Qatar; achieved independence from the United Kingdom in 1971; the economy is dominated by oil

Qatar
Katar 1 Katar Peninsula noun a peninsula extending northward from the Arabian mainland into the Persian Gulf

Qatar Peninsula
Katar 1 Katar Peninsula noun a peninsula extending northward from the Arabian mainland into the Persian Gulf

Qatari
Katari adjective of or concerning Qatar; `the Qatari ruling family`; `Qatari oil wells`

Qatari dirham
noun 100 dirhams equal 1 riyal in Qatar