acid dye acid dipper • acid dyspepsia · · · Info · Definitions · Characters · · acid dye · · Text Common · · Latin · · Scripts 8 · · Length 3 · · Syllables Definitions · · · (noun) dye in which the chromophore is part of a negative ion. Synonyms: acid dye. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 y latin small letter y U+0079