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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

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

From Science Daily Apr. 24, 2024

For most of his life, he had what he described as run-of-the-mill heartburn, usually triggered by eating late at night, and he would have to take a couple of antacid tablets.

From New York Times Feb. 8, 2024

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

From Washington Times Dec. 6, 2023

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

From "The Parker Inheritance" by Varian Johnson

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

From Science Daily Apr. 24, 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

Magnesium can also alter the effectiveness of several medications, including some common antibiotics, diuretics and heart medications, alongside over-the-counter antacids and laxatives.

From Salon Feb. 1, 2023

You should also have a first-aid kit in your go bag that contains bandages and gauze, antibiotic cream, antacids, medical tape, anti-diarrhea medications, antihistamines and over-the-counter pain relievers.

From Los Angeles Times Jan. 4, 2023

The way sweat erupted on his forehead as he reached for his bottle of antacids after meals.

From "The Kite Runner" by Khaled Hosseini

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