红铜 Traditional form: 紅銅 Pinyin (reading): hóngtóng Definitions: copper (chemistry) see also 銅/铜 (tóng) Characters: 红 - red, vermillion; to blush, to flush; popular 铜 - copper, bronze Traditional characters: 紅 - red, vermillion; to blush, to flush; popular 銅 - copper, bronze