hyaluronic acid hyaluronic • hyaluronidase · · · Info · Definitions · Characters · · hyaluronic acid · · Text Common · · Latin · · Scripts 15 · · Length 7 · · Syllables Definitions · · · (noun) a viscous mucopolysaccharide found in the connective tissue space and the synovial fluid of movable joints and the humors of the eye; a cementing and protective substance. Synonyms: hyaluronic 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 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075 y latin small letter y U+0079