Po*lyt"o*mous (?), a. [Poly- + Gr. &?; a cutting, fr. &?; to cut.]
(Bot.) Subdivided into many distinct subordinate parts, which, however,
not being jointed to the petiole, are not true leaflets; -- said of
leaves. Henslow.
Po*lyt"o*my (?), n. (Logic) A division into many members. F. Bowen.
Pol`y*tung"state (?), n. A salt of polytungstic acid.
Pol`y*tung"stic (?), a. (Chem.) 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.
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.
Pol"y*type, a. (Print.) Of or pertaining to polytypes; obtained by
polytyping; as, a polytype plate.
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.
||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.
Po*lyv"a*lent (?), a. [Poly- + L. valens, p. pr. See Valent.] (Chem.)
Multivalent.