POLYTUNGSTIC
Pol`y*tung"stic, a. (Chem.)
Defn: Containing several tungsten atoms or radicals; as, polytungstic acid. Polytungstic acid (Chem.), any one of several complex acids of tungsten containing more than one atom of tungsten.
POLYTYPE
Pol"y*type, n. Etym: [Poly- + -type.] (Print.)
Defn: 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.)
Defn: 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.)
Defn: To produce a polytype of; as, to polytype an engraving.
POLYURIA
Pol`y*u"ri*a, n. Etym: [NL. See Poly-, and Urine.] (Med.)
Defn: 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.