黑尿症 Traditional form: 黑尿症 Pinyin (reading): hēiniàozhèng Definitions: alkaponuria Characters: 黑 - black; dark; evil, sinister 尿 - urine; to urinate 症 - ailment, disease, illness Traditional characters: 黑 - black; dark; evil, sinister 尿 - urine; to urinate 症 - ailment, disease, illness