- preventing, neutralizing, or counteracting acidity, as of the stomach.
- an antacid agent.
Origin of antacid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for antacid
As a medicine it is deobstruent and antacid, and is given in doses of 10 to 30 gr.Cooley's Practical Receipts, Volume II
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.The American Reformed Cattle Doctor
Any of these may be combined with antacid and antifermentative mixtures, relieving the colic, gaseous distension, and diarrhoea.
- 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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for antacid
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.