Polyandria
(||Pol`y*an"dri*a) n. pl. [NL. See Polyandry.] (Bot.) A Linnæan class of monoclinous or hermaphrodite plants, having many stamens, or any number above twenty, inserted in the receptacle.

Polyandrian
(Pol`y*an"dri*an) a. (Bot.) Polyandrous.

Polyandric
(Pol`y*an"dric) a. [Cf. polyandrique.] Pertaining to, or characterized by, polyandry; mating with several males. "Polyandric societies." H. Spencer.

Polyandrous
(Pol`y*an"drous) a. (Bot.) Belonging to the class Polyandria; having many stamens, or any number above twenty, inserted in the receptacle.

Polyandry
(Pol`y*an"dry) n. [Poly- + Gr. man, male: cf. F. polyandrie.] The possession by a woman of more than one husband at the same time; — contrasted with monandry.

In law, this falls under the head of polygamy.

Polyanthus
(Pol`y*an"thus) n.; pl. Polyanthuses [NL., fr. Gr. rich in flowers; poly`s many + flower.] [Written also polyanthos.] (Bot.) (a) 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
(Pol"y*ar`chist) n. One who advocates polyarchy; — opposed to monarchist. Cudworth.

Polyarchy
(Pol"y*ar`chy) n. [Poly- + -archy: cf. F. polyarchie. Cf. Polarchy.] A government by many persons, of whatever order or class. Cudworth.

Polyatomic
(Pol`y*a*tom"ic) a. [Poly- + atomic.] (Chem.) (a) Having more than one atom in the molecule; consisting of several atoms. (b) Having a valence greater than one. [Obs.]

Polyautography
(Pol`y*au*tog"ra*phy) n. [Poly- + autography.] The act or practice of multiplying copies of one's own handwriting, or of manuscripts, by printing from stone, — a species of lithography.

Polybasic
(Pol`y*ba"sic) a. [Poly- + basic.] (Chem.) 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
(Pol`y*ba"site) n. [See Polybasic.] (Min.) An iron-black ore of silver, consisting of silver, sulphur, and antimony, with some copper and arsenic.

Polybranchia
(||Pol`y*bran"chi*a) n. pl. [NL. See Poly-, and Branchia.] (Zoöl.) A division of Nudibranchiata including those which have numerous branchiæ on the back.

Polybromide
(Pol`y*bro"mide) n. [Poly- + bromide.] (Chem.) A bromide containing more than one atom of bromine in the molecule.

Polycarpellary
(Pol`y*car"pel*la*ry) a. (Bot.) Composed of several or numerous carpels; — said of such fruits as the orange.

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