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

Some dogs thrive on a single daily meal, while others—such as those with medical conditions like gastroesophageal reflux disease (GERD) or dogs who eat very small portions at a time—may require smaller, more frequent feedings. —Lucy Notarantonio, MSNBC Newsweek, 13 Nov. 2025

When consumed every day, lemon and other citrus fruits may increase the risk of gastroesophageal reflux disease (GERD). —Laura Schober, Health, 4 Nov. 2025

Grapefruit and other acidic foods may trigger symptoms in people with gastroesophageal reflux disease (GERD).7 Best Time for Heart Health Adding grapefruit to your diet may support heart health and reduce the risk of heart disease. —Brittany Lubeck, Verywell Health, 17 Oct. 2025

But for some, that burning sensation extends down their throat and into their chest, and could be the sign of something more serious, including gastroesophageal reflux disease (GERD). —Elizabeth Yuko, Flow Space, 21 July 2025

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