Pentacid
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. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • pentacid — pent·acid …   English syllables

  • pentacid — (ˈ)pent+ adjective Etymology: penta + acid 1. : able to react with five molecules of a monobasic acid (as to form a salt) used especially of bases 2. : containing five hydrogen atoms replaceable by basic atoms or radicals used especially of acids …   Useful english dictionary

  • C6H7OH5 — Quercite Quer cite, n. (Chem.) A white crystalline substance, {C6H7(OH)5}, found in acorns, the fruit of the oak ({Quercus}). It has a sweet taste, and is regarded as a pentacid alcohol. [1913 Webster] …   The Collaborative International Dictionary of English

  • Quercite — Quer cite, n. (Chem.) A white crystalline substance, {C6H7(OH)5}, found in acorns, the fruit of the oak ({Quercus}). It has a sweet taste, and is regarded as a pentacid alcohol. [1913 Webster] …   The Collaborative International Dictionary of English

  • pent- — combining form see penta * * * pent1 «pehnt», adjective, verb. –adj. closely confined; penned; shut: »pent in the house all winter. a) a past tense and a past participle of pen2: »as if he had in prison long been pent …   Useful english dictionary

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