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Pyocyanin
n.
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A blue coloring matter found in the pus from old sores, supposed to be formed through the agency of a species of bacterium (Bacillus pyocyaneus).
Pyogenic
a.
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Producing or generating pus.
Pyoid
a.
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Of or pertaining to pus; of the nature of, or like, pus.
Pyopneumothorax
n.
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Accumulation of air, or other gas, and of pus, in the pleural cavity.
Pyot
n.
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The magpie. See Piet.
Pyoxanthose
n.
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A greenish yellow crystalline coloring matter found with pyocyanin in pus.
Pyracanth
n.
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The evergreen thorn (Crataegus Pyracantha), a shrub native of Europe.
Pyral
a.
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Of or pertaining to a pyre.
Pyralid
n.
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Any moth of the family Pyralidae. The species are numerous and mostly small, but some of them are very injurious, as the bee moth, meal moth, hop moth, and clover moth.
Pyramid
n.
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A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or edifice of this shape.
Pyramid
n.
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A solid figure contained by a plane rectilineal figure as base and several triangles which have a common vertex and whose bases are sides of the base.
Pyramid
n.
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The game of pool in which the balls are placed in the form of a triangle at spot.
Pyramidal
a.
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Of or pertaining to a pyramid; in the form of a a pyramid; pyramidical; as, pyramidal cleavage.
Pyramidal
a.
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Same as Tetragonal.
Pyramidal
n.
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One of the carpal bones. See Cuneiform, n., 2 (b).
Pyramidally
adv.
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Like a pyramid.
Pyramidic
a.
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Alt. of Pyramidical
Pyramidical
a.
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Of or pertaining to a pyramid; having the form of a pyramid; pyramidal.
Pyramidia
pl.
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of Pyramidion
Pyramidion
n.
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The small pyramid which crowns or completes an obelisk.
Pyramidoid
n.
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A solid resembling a pyramid; -- called also pyramoid.
Pyramides
pl.
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of Pyramis
Pyramis
n.
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A pyramid.
Pyramoid
n.
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See Pyramidoid.
Pyrargyrite
n.
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Ruby silver; dark red silver ore. It is a sulphide of antimony and silver, occurring in rhombohedral crystals or massive, and is of a dark red or black color with a metallic adamantine luster.
Pyre
n.
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A funeral pile; a combustible heap on which the dead are burned; hence, any pile to be burnt.
Pyrenae
pl.
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of Pyrena
Pyrena
n.
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A nutlet resembling a seed, or the kernel of a drupe.
Pyrene
n.
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One of the less volatile hydrocarbons of coal tar, obtained as a white crystalline substance, C16H10.
Pyrene
n.
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Same as Pyrena.