polyacid Meaning, Definition & Usage

Pol`y*ac"id adjective
Etymology
Poly- + acid.
Definitions
  1. (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.

Webster 1913