undecylenic acid undecylenic • undecylic · · · Info · Definitions · Characters · · undecylenic acid · · Text Common · · Latin · · Scripts 16 · · Length 7 · · Syllables Definitions · · · (noun) an acid that is a component of perspiration. Synonyms: undecylenic 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 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E u latin small letter u U+0075 y latin small letter y U+0079