氢氯酸 Traditional form: 氫氯酸 Pinyin (reading): qīnglüsuān Definitions: hydrochloric acid HCl also written 鹽酸/盐酸 (yánsuān) Characters: 氢 - ammonia 氯 - chlorine 酸 - tart, sour; spoiled; acid Traditional characters: 氫 - ammonia 氯 - chlorine 酸 - tart, sour; spoiled; acid