Simple Definition of antacid

from our Learner's Dictionary

antacid

noun

æntˈæsəd

plural antacids

: medicine that prevents or lessens the pain caused by having too much acid in your stomach

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“Antacid.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/antacid. Accessed 22 Jun. 2026.

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