cytotoxicity cytotoxic t cell • cytotoxin · · · Info · Definitions · Characters · · cytotoxicity · · Text Latin · · Script 12 · · Length 6 · · Syllables Definitions · · · (noun) the degree to which something is toxic to living cells. · · Noun Definition 1 Characters · · c latin small letter c U+0063 i latin small letter i U+0069 o latin small letter o U+006F t latin small letter t U+0074 x latin small letter x U+0078 y latin small letter y U+0079