Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

antacid

play
noun ant·ac·id \(ˌ)ant-ˈa-səd, ˈant-ˌa-\

Simple Definition of antacid

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

Full Definition of antacid

  1. :  an agent that counteracts or neutralizes acidity

antacid adjective

1715

First Known Use of antacid

1715

Rhymes with antacid



Seen and Heard

What made you want to look up antacid? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 11, 2016

the holder of an office

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

2.2 pounds 196.5 pounds 16.96 pounds 100 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ