pyrrhuloxia
— Noun
– English
～ crested grey-and-red bird of southwest United States and Mexico
Pyrrhus
— Noun
– English
～ king of Epirus; defeated the Romans in two battles in spite of staggering losses (319-272 BC)
Pyrrophyta
— Noun
– English
～ a division of lower plants comprising unicellular and biflagellate algae that form starchy compounds
phylum Pyrrophyta
— Noun
– English
～ a division of lower plants comprising unicellular and biflagellate algae that form starchy compounds
Pyrrosia
— Noun
– English
～ epiphytic or lithophytic or terrestrial ferns of tropical Old World
Pyrrosia lingua
— Noun
– English
～ east Asian fern having fronds shaped like tongues; sometimes placed in genus Cyclophorus
Pyrularia pubera
— Noun
– English
～ shrub of southeastern United States parasitic on roots of hemlocks having sparse spikes of greenish flowers and pulpy drupes
Pyrularia
— Noun
– English
～ small genus of chiefly Asiatic parasitic shrubs
Pyrus communis
— Noun
– English
～ Old World tree having sweet gritty-textured juicy fruit; widely cultivated in many varieties
pyrus
— Noun
– English
～ fruit trees native to the Old World: pears
pyruvic acid
— Noun
– English
～ a colorless acid formed as an important intermediate in metabolism or fermentation
pythagoras
— Noun
– English
～ Greek philosopher and mathematician who proved the Pythagorean theorem; considered to be the first true mathematician (circa 580-500 BC)
pythagorean
— Adjective
– English
～ of or relating to Pythagoras or his geometry; "Pythagorean philosophy"; "Pythagorean theorem"
pythia
— Noun
– English
～ (Greek mythology) the priestess of Apollo at Delphi who transmitted the oracles
Pythiaceae
— Noun
– English
～ fungi having sporangia usually borne successively and singly at the tips of branching sporangiophores
Pythian Games
— Noun
– English
～ the ancient Panhellenic celebration at Delphi held every four years in the third year of the Olympiad in honor of Apollo
Pythias
— Noun
– English
～ friend of Damon; Phintias (according to legend) was condemned to death by Dionysius the Elder and asked a respite to put his affairs in order; Damon pledged his life for the return of his friend; when Phintias returned in time the tyrant released them both (4th century BC)
Pythium debaryanum
— Noun
– English
～ fungus causing damping off disease in seedlings
pythium
— Noun
– English
～ any fungus of the genus Pythium
Pythius
— Noun
– English
～ epithet for Apollo; from the dragon Python which he killed