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
The Tennessee TribuneAcid 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
Miriam Jones BradleyExamples of acid reflux in a Sentence
Recent Examples on the Web
Alcohol can also lead to the overproduction of stomach acid, and conditions such as heartburn and acid reflux.
—George Monastiriakos, Newsweek, 30 Dec. 2024
But Vassallo kept testing negative, so doctors started to think asthma, acid reflux, or even pneumonia was at play.
—Julia Sullivan, SELF, 25 Sep. 2024
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
See all Example Sentences for acid reflux 
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George Monastiriakos, Newsweek, 30 Dec. 2024
But Vassallo kept testing negative, so doctors started to think asthma, acid reflux, or even pneumonia was at play.
—Julia Sullivan, SELF, 25 Sep. 2024
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
See all Example Sentences for acid reflux
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 16 Jan. 2025.
Copy CitationMedical 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
Kylie J. Smith et al., Cancer Epidemiology, Biomarkers & PreventionLove words? Need even more definitions?
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