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Polyacoustic
a.
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Multiplying or magnifying sound.
Polyacoustic
n.
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A polyacoustic instrument.
Polyacoustics
n.
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The art of multiplying or magnifying sounds.
Polyacra
pl.
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of Polyacron
Polyacrons
pl.
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of Polyacron
Polyacron
n.
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A solid having many summits or angular points; a polyhedron.
Polyactinia
n. pl.
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An old name for those Anthozoa which, like the actinias, have numerous simple tentacles.
Polyadelphia
n. pl.
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A Linnaean class of plants having stamens united in three or more bodies or bundles by the filaments.
Polyadelphian
a.
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Alt. of Polyadelphous
Polyadelphous
a.
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Belonging to the class Polyadelphia; having stamens united in three or more bundles.
Polyandria
n. pl.
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A Linnaean class of monoclinous or hermaphrodite plants, having many stamens, or any number above twenty, inserted in the receptacle.
Polyandrian
a.
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Polyandrous.
Polyandric
a.
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Pertaining to, or characterized by, polyandry; mating with several males.
Polyandrous
a.
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Belonging to the class Polyandria; having many stamens, or any number above twenty, inserted in the receptacle.
Polyandry
n.
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The possession by a woman of more than one husband at the same time; -- contrasted with monandry.
Polyanthuses
pl.
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of Polyanthus
Polyanthus
n.
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The oxlip. So called because the peduncle bears a many-flowered umbel. See Oxlip. (b) A bulbous flowering plant of the genus Narcissus (N. Tazetta, or N. polyanthus of some authors). See Illust. of Narcissus.
Polyarchist
n.
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One who advocates polyarchy; -- opposed to monarchist.
Polyarchy
n.
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A government by many persons, of whatever order or class.
Polyatomic
a.
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Having more than one atom in the molecule; consisting of several atoms.
Polyatomic
a.
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Having a valence greater than one.
Polyautography
n.
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The act or practice of multiplying copies of one's own handwriting, or of manuscripts, by printing from stone, -- a species of lithography.
Polybasic
a.
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Capable of neutralizing, or of combining with, several molecules of a monacid base; having several hydrogen atoms capable of being replaced by basic radicals; -- said of certain acids; as, sulphuric acid is polybasic.
Polybasite
n.
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An iron-black ore of silver, consisting of silver, sulphur, and antimony, with some copper and arsenic.
Polybranchia
n. pl.
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A division of Nudibranchiata including those which have numerous branchiae on the back.
Polybromide
n.
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A bromide containing more than one atom of bromine in the molecule.
Polycarpellary
a.
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Composed of several or numerous carpels; -- said of such fruits as the orange.
Polycarpic
a.
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Alt. of Polycarpous
Polycarpous
a.
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Bearing fruit repeatedly, or year after year.
Polycarpous
a.
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Having several pistils in one flower.