photosensitivity photosensitiveness • photosensitization · · · Info · Definitions · Synonyms · Characters · · photosensitivity · · Text Latin · · Script 16 · · Length Definitions · · · (noun) sensitivity to the action of radiant energy. Synonyms: radiosensitivity. · · Noun Definition 1 Synonyms · · · radiosensitivity · · Synonym 1 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079