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antacid

American  
[ant-as-id] / æntˈæs ɪd /

adjective

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

noun

  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

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.

Antacid, ant-as′id, n. a medicine which counteracts acidity.—adj. possessing such quality.

From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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