gastroesophageal 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 : acid reflux see also gastroesophageal reflux disease

Examples of gastroesophageal reflux in a Sentence

Recent Examples on the Web

Caffeine and fat in dark chocolate may cause acid reflux in people with GERD (gastroesophageal reflux disease), especially when consumed in high amounts. — Brittany Lubeck, Verywell Health, 9 Nov. 2026

Up to 1 in 5 American adults experience these symptoms at least twice a week, diagnosed as gastroesophageal reflux disease (GERD). — Sarah Klein, Time, 30 June 2026

The acidic nature of coffee can be a source of discomfort for people with acid reflux, also known as gastroesophageal reflux disease (GERD). — Christina Manian, Health, 10 June 2026

Most research on the health effects of late-night eating center on sleep, diabetes, obesity, and acid reflux or GERD (gastroesophageal reflux disease). — Kristen Rogers, CNN Money, 8 June 2026

Word History

First Known Use

1959, in the meaning defined above

Medical Definition

gastroesophageal 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 : acid reflux

—abbreviation GER see also gastroesophageal reflux disease