tritanopia tritanope • tritanopic · · · Info · Definitions · Synonyms · Characters · · tritanopia · · Text Latin · · Script 10 · · Length Definitions · · · (noun) rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellow. Synonyms: blue-blindness. · · Noun Definition 1 Synonyms · · · blue-blindness · · Synonym 1 Characters · · a latin small letter a U+0061 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 r latin small letter r U+0072 t latin small letter t U+0074