antacid Hear it!

antacid definition

ant·acid (ant′as′id)

adjective

that neutralizes acids; counteracting acidity

Etymology: ant(i)- + acid

noun

an antacid substance, such as sodium bicarbonate

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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