Defn: Comprehending, or relating to, many arts and sciences; — applied particularly to schools in which many branches of art and science are taught with especial reference to their practical application; also to exhibitions of machinery and industrial products.
POLYTECHNICAL
Pol`y*tech"nic*al, a.
Defn: Polytechnic.
POLYTECHNICS
Pol`y*tech"nics, n.
Defn: The science of the mechanic arts.
POLYTHALAMIA
Pol`y*tha*la"mi*a, n. pl. Etym: [NL. See Polythalamous.] (Zoöl.)
Defn: A division of Foraminifera including those having a manychambered shell.
POLYTHALAMOUS
Pol`y*thal"a*mous, a. Etym: [Poly- + Gr. (Zoöl.)
Defn: Many-chambered; — applied to shells of Foraminifera and cephalopods. See Illust. of Nautilus.
POLYTHEISM
Pol"y*the*ism, n. Etym: [Poly- + Gr. polythéisme.]