Definition of "heartburn" []

• A burning sensation, usually centered in the middle of the chest near the sternum, caused by the reflux of acidic stomach fluids that enter the lower end of the esophagus. Also called acid reflux, cardialgia, pyrosis. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Or in Tabitha’s case, maybe the term heartburn was more appropriate."
• "I love to hear and see about street food from all over the world. heartburn is ok. lol"
• "Worries over the risk of combining the blockbuster blood thinner Plavix with certain heartburn pills may be overblown, a new study suggests."