中和酸性的,抗酸性的抗酸剂
Antacid \Ant*ac"id\, n. [Pref. anti- + acid.] (Med.) A remedy for acidity of the stomach, as an alkali or absorbent. -- a. Counteractive of acidity.
antacid adj : acting to neutralize acid (especially in the stomach) n : an agent that counteracts or neutralizes acidity (especially in the stomach) [syn: {gastric antacid}, {alkalizer}, {alkaliser}, {antiacid}]