硫酸铜 Traditional form: 硫酸銅 Pinyin (reading): liúsuāntóng Definitions: copper sulfate CuSO4 Characters: 硫 - sulfur 酸 - tart, sour; spoiled; acid 铜 - copper, bronze Traditional characters: 硫 - sulfur 酸 - tart, sour; spoiled; acid 銅 - copper, bronze