Defn: Glassmaker's ashes; a kind of potash or pearlash, brought from the Levant and Syria, — used in the manufacture of fine glass.
POLWIG
Pol"wig, n. (Zoöl.)
Defn: A polliwig. Holland.
POLY-
Pol"y-. Etym: [See Full, a.]
Defn: A combining form or prefix from Gr. poly`s, many; as, polygon, a figure of many angles; polyatomic, having many atoms; polychord, polyconic.
POLY Po"ly, n. Etym: [L. polium, the name of a plant, perhaps Teucrium polium, Gr. (Bot.)
Defn: A whitish woolly plant (Teucrium Polium) of the order Labiatæ, found throughout the Mediterranean region. The name, with sundry prefixes, is sometimes given to other related species of the same genus. [Spelt also poley.] Poly mountain. See Poly-mountain, in Vocabulary.
POLYACID
Pol`y*ac"id, a. Etym: [Poly- + acid.] (Chem.)
Defn: Capable of neutralizing, or of combining with, several molecules of a monobasic acid; having more than one hydrogen atom capable of being replaced by acid radicals; — said of certain bases; as, calcium hydrate and glycerin are polyacid bases.
POLYACOUSTIC
Pol`y*a*cous"tic, a. Etym: [Poly- + acoustic: cf. F. polyacoustique.]