carboxyl group
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Carboxyl group — or CO2H is a functional group present in amino acids and carboxylic acids. Its structure is composed of one carbon atom attached to an oxygen atom by a double bond and to a hydroxyl group by a single bond. It is often mentioned that a carboxyl… … Wikipedia
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}.… … The Collaborative International Dictionary of English
carboxyl group — noun the univalent radical COOH; present in and characteristic of organic acids • Syn: ↑carboxyl • Derivationally related forms: ↑carboxyl (for: ↑carboxyl), ↑carboxylic (for: ↑ … Useful english dictionary
carboxyl group — /kaˈbɒksəl grup / (say kah boksuhl groohp) noun a univalent group, –COOH, present in all organic acids. Also, carboxyl radical. {carb + ox(ygen) + yl} …
carboxyl group — noun see carboxyl … New Collegiate Dictionary
carboxyl group — the univalent radical COOH, present in and characteristic of organic acids. [1875 80] * * * … Universalium
carboxyl — The characterizing group ( COOH) of certain organic acids; e.g., HCOOH (formic acid), CH3COOH (acetic acid), CH3CH(NH2)COOH (alanine), etc. Cf.:carboxylic acid. * * * car·box·yl kär bäk səl n a monovalent group COOH typical of organic acids… … Medical dictionary
carboxyl — noun Etymology: International Scientific Vocabulary Date: 1869 a monovalent functional group or radical –COOH typical of organic acids called also carboxyl group • carboxylic adjective … New Collegiate Dictionary
carboxyl — carboxylic, adj. /kahr bok sil/, adj. containing the carboxyl group. [1865 70; CARB + OX(YGEN) + YL] * * * … Universalium
carboxyl methyltransferase — noun Any enzyme that catalyzes the methylation of a carboxyl group … Wiktionary
