acid reflux

noun

: backward flow of the acidic contents of the stomach into the esophagus that is due to malfunctioning of a sphincter at the lower end of the esophagus and that results especially in heartburn : gastroesophageal reflux
a medication for acid reflux
Acid reflux is the backflow of stomach contents into the esophagus. The feeling of acid reflux is heartburn: a mild burning sensation in the mid-chest …The Tennessee Tribune
Acid reflux occurs when the valve between your esophagus and stomach doesn't close properly, allowing stomach acid to wash back up through your esophagus …Miriam Jones Bradley

Examples of acid reflux in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Per the Cleveland Clinic, acid reflux can irritate the vocal cords. Emily Blackwood, People.com, 16 Dec. 2024 Plus, medications used to treat acid reflux may make constipation worse. Amber J. Tresca, Verywell Health, 25 Nov. 2024 Larger meals are harder on the digestive tract due to their sheer volume, so reducing your portion size could also help ease acid reflux symptoms, according to Dr. Ganjhu. Caroline Tien, SELF, 28 Oct. 2024 Treats Heartburn Heartburn is a symptom of acid reflux, which occurs when acidic stomach contents flow back into the food pipe (esophagus). Lindsey Desoto, Health, 27 Nov. 2024 See all Example Sentences for acid reflux 

Word History

First Known Use

1960, in the meaning defined above

Time Traveler
The first known use of acid reflux was in 1960

Dictionary Entries Near acid reflux

Cite this Entry

“Acid reflux.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acid%20reflux. Accessed 10 Jan. 2025.

Medical Definition

acid reflux

noun
: backward flow of the acidic contents of the stomach into the esophagus that is due to malfunctioning of a sphincter at the lower end of the esophagus and that results especially in heartburn : gastroesophageal reflux
… people who report experiencing at least weekly symptoms of acid reflux have substantially higher risks of BE [=Barrett's esophagus] than those with less frequent episodes. Moreover, we found that symptoms of acid reflux experienced at older ages conferred substantially higher risks of BE than symptoms at younger ages …Kylie J. Smith et al., Cancer Epidemiology, Biomarkers & Prevention
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