ANTIACID
Source: 524, 566
ANTIAC'ID, adjective Opposing or removing acidity. Often written antacid.ANTIAC'ID, noun An alkali; a medicine proper to correct sourness, or acidity; an absorbent, as chalk, magnesia, coral, sea shells, hematite, steel fillings; or an obtundent, as oil or fat; or an immutant, as lixivious salts, and soaps.
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antiacid. Antiacid, a. correcting acids, absorbent