fluorescence fluorescein • fluorescent · · · Info · Definitions · Characters · · fluorescence · · Text Latin · · Script 12 · · Length Definitions · · · (noun) light emitted during absorption of radiation of some other (invisible) wavelength. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 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 u latin small letter u U+0075