ant·​ac·​id | \ (ˌ)ant-ˈa-səd How to pronounce antacid (audio) , ˈant-ˌa-\

Definition of antacid

: an agent that counteracts or neutralizes acidity

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Other Words from antacid

antacid adjective

Examples of antacid in a Sentence

Recent Examples on the Web

Her comeback yields, yes, a life of Champagne instead of antacid. Glenn Kenny, New York Times, "In ‘Souvenir,’ a Pâté Factory Worker Finds a Champagne Life," 1 Mar. 2018 Using antacids during pregnancy is linked to asthma in offspring, a systematic review of research has found. New York Times, "Antacids During Pregnancy Tied to Asthma in Children," 11 Jan. 2018 Late last week, as the country was focusing on antacids and shopping, the Trump administration released a report on climate change prepared by its own scientific agencies. John Timmer, Ars Technica, "Trump administration organizes pushback against its own climate report," 3 Dec. 2018 Once in place, the experiment would release small plumes of calcium carbonate, each of around 100 grams, roughly equivalent to the amount found in an average bottle of off-the-shelf antacid. Dylan Matthews, Vox, "Geoengineering is a last-ditch option to stall global warming — and it’s getting a first test," 30 Nov. 2018 Apart from an aspirin, an antacid, and something for bladder control, Al doesn’t even take any drugs. Jacqueline Detwiler, Popular Mechanics, "The Heroes of Science Who Are Unlocking the Brain," 3 Oct. 2018 The Atlanta summer games in 1996 had Izzy, a sprightly blue blob who seemed to have escaped from an antacid commercial. Jason Gay, WSJ, "The Fuzzy Terror of Sports Mascots," 27 Sep. 2018 The types of medications include hormonal birth control medications, blood pressure and heart medications, proton pump inhibitors, antacids and painkillers. Brett Molina, USA TODAY, "One-third of adults in U.S. taking drugs that may cause depression, study finds," 13 June 2018 And those medications could have nothing to do with mood or anxiety, such as medicine for blood pressure, antacids and painkillers. Editors, USA TODAY, "Are we headed for a California breakup?," 13 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'antacid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of antacid

1715, in the meaning defined above

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The first known use of antacid was in 1715

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English Language Learners Definition of antacid

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


ant·​ac·​id | \ (ˈ)ant-ˈas-əd How to pronounce antacid (audio) \
variants: also antiacid \ ˌant-​ē-​ˈas-​əd, ˌan-​ˌtī-​ How to pronounce antiacid (audio) \

Medical Definition of antacid

 (Entry 1 of 2)

: tending to counteract acidity


variants: also antiacid

Medical Definition of antacid (Entry 2 of 2)

: an agent (as an alkali or absorbent) that counteracts or neutralizes acidity

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More from Merriam-Webster on antacid

Rhyming Dictionary: Words that rhyme with antacid

Spanish Central: Translation of antacid

Nglish: Translation of antacid for Spanish Speakers

Britannica English: Translation of antacid for Arabic Speakers Encyclopedia article about antacid

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