Polytype
(Pol"y*type) n. [Poly- + - type.] (Print.) A cast, or facsimile copy, of an engraved block, matter
in type, etc. (see citation); as, a polytype in relief.
By pressing the wood cut into semifluid metal, an intaglio matrix is produced: and from this matrix, in a
similar way, a polytype in relief is obtained.
Hansard. Polytype
(Pol"y*type), a. (Print.) Of or pertaining to polytypes; obtained by polytyping; as, a polytype
plate.
Polytype
(Pol"y*type), v. t. [imp. & p. p. Polytyped ; p. pr. & vb. n. Polytyping ] (Print.) To produce
a polytype of; as, to polytype an engraving.
Polyuria
(||Pol`y*u"ri*a) n. [NL. See Poly- , and Urine.] (Med.) A persistently excessive flow of watery
urine, with low specific gravity and without the presence of either albumin or sugar. It is generally accompanied
with more or less thirst.
Polyvalent
(Po*lyv"a*lent) a. [Poly- + L. valens, p. pr. See Valent.] (Chem.) Multivalent.
Polyve
(Pol"yve) n. [See Polive.] A pulley. [Obs.]
Polyzoa
(||Pol`y*zo"a) n. pl. [NL., fr. Gr. poly`s many + an animal.] (Zoöl.) Same as Bryozoa. See
Illust. under Bryozoa, and Phylactolæmata.
Polyzoan
(Pol`y*zo"an) n. (Zoöl.) (a) Any species of Polyzoa; one of the Polyzoa. (b) A polyzoön.
Polyzoarium
(||Pol`y*zo*a"ri*um) n.; pl. Polyzoaria [NL.] (Zoöl.) Same as Polyzoary.
Polyzoary
(Pol`y*zo"a*ry) n. (Zoöl.) The compound organism of a polyzoan.
Polyzonal
(Pol`y*zon"al) a. [Poly- + zonal.] Consisting of many zones or rings.
Polyzonal lens (Opt.), a lens made up of pieces arranged zones or rings, — used in the lanterns of
lighthouses.
Polyzoön
(||Pol`y*zo"ön) n.; pl. Polyzoa [NL. See Polyzoan.] (Zoöl.) One of the individual zooids forming
the compound organism of a polyzoan.
Pomace
(Pom"ace) n. [L. ponum a fruit, LL., an apple: cf. LL. pomagium, pomacium.] The substance
of apples, or of similar fruit, crushed by grinding.
Pomacentroid
(Po`ma*cen"troid) a. [Gr. a cover + a prickle + -oid.] (Zoöl.) Pertaining to the Pomacentridæ,
a family of bright-colored tropical fishes having spiny opercula; — often called coral fishes.
Pomaceous
(Po*ma"ceous) a. [LL. ponum an apple.]
1. (Bot.) (a) Like an apple or pear; producing pomes. (b) Of or pertaining to a suborder (Pomeæ) of
rosaceous plants, which includes the true thorn trees, the quinces, service berries, medlars, and loquats,
as well as the apples, pears, crabs, etc.
2. Like pomace.
Pomade
(Po*made") n. [F. pommade pomatum, OF. pomade cider (cf. Sp. pomada, It. pomata, LL.
pomata a drink made of apples), from L. pomum fruit, LL., an apple. Cf. Pomatum.]
1. Cider. [Obs.] Piers Plowman.
2. Perfumed ointment; esp., a fragrant unguent for the hair; pomatum; — originally made from apples.
