amino acid amido-urea • amino nitrogen · · · Info · Definitions · Synonyms · Characters · · amino acid · · Text Common · · Latin · · Scripts 10 · · Length Definitions · · · (noun) organic compounds containing an amino group and a carboxylic acid group. Synonyms: aminoalkanoic acid. Example: "Proteins are composed of various proportions of about 20 common amino acids." · · Noun Definition 1 Synonyms · · · amino · · Synonym 1 amino group · · Synonym 2 aminic · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F