achromatin achromaticity • achromatinic · · · Info · Definitions · Characters · · achromatin · · Text Latin · · Script 10 · · Length Definitions · · · (noun) the part of a cell nucleus that is relatively uncolored by stains or dyes. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074