醋酸 Traditional form: 醋酸 Pinyin (reading): cùsuān Definitions: acetic acid (CH3COOH) acetate Characters: 醋 - vinegar; jealousy, envy 酸 - tart, sour; spoiled; acid Traditional characters: 醋 - vinegar; jealousy, envy 酸 - tart, sour; spoiled; acid