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pentacid |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pentacid \Pen*tac"id\, a. [Penta- + acid.] (Chem.) Capable of neutralizing, or combining with five molecules of a monobasic acid; having five hydrogen atoms capable of substitution by acid residues; -- said of certain complex bases.