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
Migraines and reflux: Some people with conditions like migraines, acid reflux, or certain autoimmune issues may find that chocolate triggers their symptoms.
—Jonathan Purtell, Verywell Health, 9 June 2025
Other health problems that make sleeping difficult include arthritis and chronic pain; heart disease, which can cause shortness of breath when people lie flat; diabetes, which can cause blood sugar dips during the night; and acid reflux.
—The Washington Post, San Diego Union-Tribune, 20 May 2025
May Improve Digestive Health Minimal evidence exists to support ACV’s use to reduce acid reflux symptoms.
—Amy Brownstein, Ms, Rdn, Verywell Health, 25 Apr. 2025
Bannon, who owns a marketing company, then began experiencing excruciating stomach pains and lost 14 pounds in just a month, which doctors blamed on acid reflux.
—Melissa Rudy, FOXNews.com, 24 Apr. 2025
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Jonathan Purtell, Verywell Health, 9 June 2025
Other health problems that make sleeping difficult include arthritis and chronic pain; heart disease, which can cause shortness of breath when people lie flat; diabetes, which can cause blood sugar dips during the night; and acid reflux.
—The Washington Post, San Diego Union-Tribune, 20 May 2025
May Improve Digestive Health Minimal evidence exists to support ACV’s use to reduce acid reflux symptoms.
—Amy Brownstein, Ms, Rdn, Verywell Health, 25 Apr. 2025
Bannon, who owns a marketing company, then began experiencing excruciating stomach pains and lost 14 pounds in just a month, which doctors blamed on acid reflux.
—Melissa Rudy, FOXNews.com, 24 Apr. 2025
See All Example Sentences for acid reflux
Cite this Entry
“Acid reflux.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acid%20reflux. Accessed 1 Jul. 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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