玻尿酸 Traditional form: 玻尿酸 Pinyin (reading): bōniàosuān Definitions: hyaluronic acid hyaluronan Characters: 玻 - glass 尿 - urine; to urinate 酸 - tart, sour; spoiled; acid Traditional characters: 玻 - glass 尿 - urine; to urinate 酸 - tart, sour; spoiled; acid