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polyacid |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Polyacid \Pol`y*ac"id\, a. [Poly- + acid.] (Chem.) 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.