carboxyl
Noun · AdjectiveWordNet 3.0
Noun (1)
- the univalent radical -COOH; present in and characteristic of organic acidsSynonyms: carboxyl group
Adjective (1)
- relating to or containing the carboxyl group or carboxyl radicalSynonyms: carboxylic
Webster's Dictionary (GCIDE)
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]