color vision deficiency color vision • color wash · · · Info · Definitions · Synonyms · Characters · · color vision deficiency · · Text Common · · Latin · · Scripts 23 · · Length 8 · · Syllables Definitions · · · (noun) genetic inability to distinguish differences in hue. Synonyms: color blindness, colour blindness, color vision deficiency, colour vision deficiency. · · Noun Definition 1 Synonyms · · · color blindness · · Synonym 1 colour blindness · · Synonym 2 colour vision deficiency · · Synonym 3 Characters · · space U+0020 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 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 v latin small letter v U+0076 y latin small letter y U+0079