noun
antacid
an-TA-sihd
noun
1
A medicine that neutralizes stomach acid to relieve heartburn or indigestion.
"She took an antacid after the spicy meal upset her stomach."
adj
1
Able to counteract or neutralize acid, especially in the stomach.
"The tablets have an antacid effect that eases heartburn."
How to Use Antacid
Learner’s notesIn plain EnglishSomething that calms an acidic, upset stomach.
Common pairings
take an antacid
antacid tablet
Word Forms
more antacid comparative, antacids plural, most antacid superlative
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She took an _____ after the spicy meal upset her stomach.
Etymology
Formed from anti- ("against") plus acid.