oxybutyric acid oxybutyric • oxycalcium · · · Info · Definitions · Synonyms · Characters · · oxybutyric acid · · Text Common · · Latin · · Scripts 15 · · Length 7 · · Syllables Definitions · · · (noun) hydroxy derivative of butyric acid. Synonyms: hydroxybutyric acid, oxybutyric acid. · · Noun Definition 1 Synonyms · · · hydroxybutyric acid · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 i latin small letter i U+0069 o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 x latin small letter x U+0078 y latin small letter y U+0079