hydroxy acid hydroxyacetic acid • hydroxyanthraquinone · · · Info · Definitions · Characters · · hydroxy acid · · Text Common · · Latin · · Scripts 12 · · Length 5 · · Syllables Definitions · · · (noun) any acid that has hydroxyl groups in addition to the hydroxyl group in the acid itself. Synonyms: hydroxy acid. · · Noun Definition 1 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 h latin small letter h U+0068 i latin small letter i U+0069 o latin small letter o U+006F r latin small letter r U+0072 x latin small letter x U+0078 y latin small letter y U+0079