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Synonyms

antacid

American  
[ant-as-id] / æntˈæs ɪd /

adjective

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


noun

  • antacids
    plural
  1. an antacid agent.

antacid British  
/ æntˈæsɪd /

noun

  1. 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

  1. 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

Other Word Forms

Noun Inflected Forms

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.

See Examples For:

At 29, abdominal pain was met with an antacid.

From Slate May 6, 2026

The acid-reducing drugs includeproton pump inhibitors such as omeprazole and esomeprazole, histamine H2-receptor antagonists, or H2 blockers, such as cimetidine and famotidine, and antacid supplements.

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

“This is the antacid for the ocean,” Adkins says.

From Science Magazine Dec. 8, 2021

Now she was chewing on the antacid tablets.

From "Middlesex: A Novel" by Jeffrey Eugenides

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

From Science Daily Apr. 24, 2024

She had complained of increasingly sharp abdominal pain for months but was told only to avoid spicy foods and take antacids.

From Seattle Times Mar. 13, 2024

Doctors complain of a shortage of medicines - paracetamol, antibiotics, antacids, cough syrups - at the 114 relief camps housing more than 12,000 Kuki evacuees, including some with terminal illnesses and HIV-Aids.

From BBC Jul. 12, 2023

There was a medicine cabinet on the cover containing ointments, a bottle of antacids and a few other toiletries.

From Los Angeles Times May 17, 2023

“How many antacids do you think Fleetwood has eaten by now?”

From "The Bletchley Riddle" by Ruta Sepetys and Steve Sheinkin

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