preventing, neutralizing, or counteracting acidity, as of the stomach.
Origin of antacid
First recorded in 1725–35; ant-
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for antacid
Historical Examples of antacid
As a medicine it is deobstruent and antacid, and is given in doses of 10 to 30 gr.
Levigated coral was formerly used in medicine as an antacid or absorbent, and is still occasionally employed as a dentifrice.
Antacid, an alkali, or any remedy for acidity in the stomach.
This article acts on all classes of animals, as a laxative and antacid.
Any of these may be combined with antacid and antifermentative mixtures, relieving the colic, gaseous distension, and diarrhoea.
British Dictionary definitions for antacid
a substance used to neutralize acidity, esp in the stomach
having the properties of this substanceantacid tablets
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for antacid
1732, adjective and noun, medical hybrid from anti- + acid.
Online Etymology Dictionary, © 2010 Douglas Harper
Counteracting or neutralizing acidity, especially of the stomach.
A substance, such as sodium bicarbonate, that neutralizes acid.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.