POLYSTYLE
Pol"y*style, a. Etym: [Gr. polystyle.] (Arch.)
Defn: Having many columns; — said of a building, especially of an interior part or court; as, a polystyle hall. — n.
Defn: A polystyle hall or edifice.
POLYSULPHIDE
Pol`y*sul"phide, n. Etym: [Poly- + sulphide.] (Chem.)
Defn: A sulphide having more than one atom of sulphur in the molecule; — contrasted with monosulphide.
POLYSULPHURET
Pol`y*sul"phu*ret, n. (Chem.)
Defn: A polysulphide. [Obsoles.]
POLYSYLLABIC; POLYSYLLABICAL
Pol`y*syl*lab"ic, Pol`y*syl*lab"ic*al, a. Etym: [Gr. polysyllabique.]
Defn: Pertaining to a polysyllable; containing, or characterized by, polysyllables; consisting of more than three syllables.
POLYSYLLABICISM
Pol`y*syl*lab"i*cism, n.