antacid
n.
acid neutralizer, substance which counteracts acidity
adj.
counteracting acidity (mainly in the stomach)
Antacid
Antacid (der)
n.
antacid, acid neutralizer, substance which counteracts acidity
Antacid
(n.)
A remedy for acidity of the stomach, as an alkali or absorbent.
(a.)
Counteractive of acidity.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
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antacid
adjective & noun
(substance, such as a medicine) that stops too much acid forming in the stomach or alters the amount of acid in the stomach