The characterizing group (—COOH) of certain organic acids; e.g., HCOOH (formic acid), CH3COOH (acetic acid), CH3CH(NH2)COOH (alanine), etc. Cf.:carboxylic acid.

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car·box·yl kär-'bäk-səl n a monovalent group -COOH typical of organic acids called also carboxyl group
car·box·yl·ic .kär-(.)bäk-'sil-ik adj

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car·box·yl (kahr-bokґsəl) the monovalent radical, COOH, occurring in those organic acids termed carboxylic acids.

Medical dictionary. 2011.

Look at other dictionaries:

  • Carboxyl — Car*box yl (k[aum]r*b[o^]ks [i^]l), n. [Carbon + oxygen + yl.] (Chem.) The complex radical, {CO.OH}, regarded as the essential and characteristic constituent which all oxygen acids of carbon (as formic, acetic, benzoic acids, etc.) have in… …   The Collaborative International Dictionary of English

  • carboxyl — [kär bäks′il] n. [ CARB(O) + OX(YGEN) + YL] the group COOH, characteristic of organic acids, including fatty acids and amino acids carboxylic [kär bäk′sil′ik] adj …   English World dictionary

  • carboxyl — Oxalyl Ox a*lyl, n. [Oxalic + yl.] (Chem.) (a) A hydrocarbon radical ({C2O2}) regarded as a residue of oxalic acid and occurring in derivatives of it. (b) An old name for {carbonyl}. (c) An old name for {carboxyl}. [1913 Webster] …   The Collaborative International Dictionary of English

  • 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 — Die Carboxylgruppe Die Carboxylgruppe (auch Carboxygruppe) ist die funktionelle Gruppe der Carbonsäuren und hat die Formel COOH. Das Carboxylkohlenstoffatom trägt ein doppeltgebundenes Sauerstoff Atom und eine einfach gebundene Hydroxylgruppe.… …   Deutsch Wikipedia

  • carboxyl — carboxylic, adj. /kahr bok sil/, adj. containing the carboxyl group. [1865 70; CARB + OX(YGEN) + YL] * * * …   Universalium

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

  • carboxyl — karboksi statusas T sritis chemija apibrėžtis Grupė. formulė HOOC– atitikmenys: angl. carboxy ; carboxyl rus. карбокси ; карбоксил ryšiai: sinonimas – karboksilas …   Chemijos terminų aiškinamasis žodynas

  • carboxyl — noun A univalent functional group consisting of a carbonyl and a hydroxyl functional group ( CO.OH); characteristic of carboxylic acids …   Wiktionary

  • carboxyl — [kα: bɒksʌɪl, sɪl] noun [as modifier] Chemistry of or denoting the radical ‒COOH, present in organic acids. Origin C19: from carbo + ox + yl …   English new terms dictionary

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