carboxylic group
carboxyl group car*box"yl group` (k[aum]r*b[o^]ks"[i^]l gr[=oo]p), n. (Chem.) a monovalent organic radical (written {-COOH}, {-CO2H} or {-CO.OH}) whose presence confers acidic properties on the compound containing it; -- called also {carboxylic group}. Monocarboxylic acids (such as acetic acid or butyric acid) have one carboxyl group, dicarboxylic acids (such as oxalic acid or malonic acid) have two, tricarboxylic acids (such as citric acid) have three. It is weakly acidic, the pKa of acetic acid being 4.75. [PJC]

The Collaborative International Dictionary of English. 2000.

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  • carboxylic — car box*yl ic (k[aum]r b[o^]ks*[i^]l [i^]k), adj. (Chem.) of or pertaining to the {carboxyl group}; having a carboxyl group (written { COOH}, { CO2H} or { CO.OH}); as, carboxylic acids are weakly acidic. Syn: carboxyl. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • carboxylic acid — n. (Chem.) an organic compound whose acidity is due to the presence of a {carboxyl gorup}. Monocarboxylic acids (such as acetic acid or butyric acid) have one carboxyl group, dicarboxylic acids (such as oxalic acid or malonic acid) have two,… …   The Collaborative International Dictionary of English

  • carboxylic acid — Chem. any organic acid containing one or more carboxyl groups. [1900 05; CARBOXYL + IC] * * * Any organic compound with the general chemical formula ―COOH in which a carbon (C) atom is bonded to an oxygen (O) atom by a double bond to make a… …   Universalium

  • Carboxylic acid — Structure of a carboxylic acid Carboxylate ion …   Wikipedia

  • carboxylic acid — An organic acid with a carboxyl group. Cf.:carboxyl. activated c. derivative of a carboxyl group that is more susceptible to nucleophilic attack than a free carboxyl group; E.G., acid …   Medical dictionary

  • carboxylic — adjective relating to or containing the carboxyl group or carboxyl radical • Syn: ↑carboxyl • Pertains to noun: ↑carboxyl group, ↑carboxyl group (for: ↑carboxyl) • Derivationally related forms: ↑ …   Useful english dictionary

  • carboxylic acid — noun Any of a class of organic compounds containing a carboxyl functional group. See Also: ester, fatty acid …   Wiktionary

  • carboxylic — adjective Of, or relating to the carboxyl functional group …   Wiktionary

  • carboxylic — adj. of the carboxyl group (Chemistry) …   English contemporary dictionary

  • carboxylic acid — [ˌkα:bɒk sɪlɪk] noun Chemistry an acid containing a carboxyl group, such as formic and acetic acids …   English new terms dictionary

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