fluorescein isothiocyanate fluorescein isocyanate • fluorescence · · · Info · Definitions · Synonyms · Characters · · fluorescein isothiocyanate · · Text Common · · Latin · · Scripts 26 · · Length 11 · · Syllables Definitions · · · (noun) a fluorochrome commonly conjugated with antibodies for use in indirect immunofluorescence. Synonyms: fluorescein isothiocyanate, fluorescein isocyanate. · · Noun Definition 1 Synonyms · · · fluorescein isocyanate · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 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 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079