POLYPLACOPHORA
Pol`y*pla*coph"o*ra, n. pl. Etym: [NL. See Poly-, and Placophora.]
(Zoöl.)
Defn: See Placophora.
POLYPLASTIC
Pol`y*plas"tic, a. Etym: [Poly- + -plastic.] (Biol.)
Defn: Assuming, or having the power of assuming, many forms; as, a polyplastic element which does not preserve its original shape.
POLYPODE
Pol`y*pode, n. Etym: [Cf. F. polypode. See Polypody.] (Bot.)
Defn: A plant of the genus Polypodium; polypody. [Written also polypod.]
POLYPODE
Pol"y*pode, n. Etym: [Gr. polypode. See Polyp.] (Zoöl.)
Defn: An animal having many feet; a myriapod.
POLYPODIUM
Pol"y*po`di*um, n. Etym: [L., fr. Gr. Polyp, and cf. 2d Polypode.]
(Bot.)
Defn: A genus of plants of the order Filices or ferns. The fructifications are in uncovered roundish points, called sori, scattered over the inferior surface of the frond or leaf. There are numerous species.