melanism Melanippus • melanistic · · · Info · Definitions · Synonyms · Characters · · melanism · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a condition characterized by abnormal deposits of melanin (especially in the skin). Synonyms: melanosis. · · Noun Definition 1 Synonyms · · · melanosis · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E s latin small letter s U+0073