Synonyms

antacid

American

[ant-as-id] / æntˈæs ɪd /

adjective

preventing, neutralizing, or counteracting acidity, as of the stomach.

noun

an antacid agent.

antacid British

/ æntˈæsɪd /

noun

a substance used to neutralize acidity, esp in the stomach

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

having the properties of this substance

antacid tablets

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of antacid

First recorded in 1725–35; ant- + acid

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At 29, abdominal pain was met with an antacid.

From Slate • May 6, 2026

And 22% of those taking antacid supplements had severe headache, compared to 20% of those not taking antacids.

From Science Daily • Apr. 24, 2024

Send the man a case of antacid, he’s going to need it.

From Washington Times • Dec. 6, 2023

Topics of study include farming seaweed, fertilizing algae growth with iron, and adding antacid to increase the ocean’s ability to absorb carbon dioxide.

From Science Magazine • Sep. 13, 2023

Candice found a box of chewable antacid tablets in the cabinet.

From "The Parker Inheritance" by Varian Johnson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

antacid

adjective

noun

noun

adjective

Etymology

Origin of antacid

Example Sentences

Related Words