gastric juice

noun

: a thin watery acid digestive fluid secreted by glands in the mucous membrane of the stomach

Examples of gastric juice 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.
Here’s how it’s supposed to work: the olive oil helps lubricate the intestinal tract, while lemon juice stimulates the production of gastric juices. Beatrice Zocchi, Vogue, 29 Jan. 2026 According to a small study, the acidity of the lemon also stimulates the secretion of gastric juices—a digestive fluid in the stomach that can help break down food. Anna Bader, Glamour, 3 Dec. 2024 After a few minutes, the concentration of acetaldehyde goes up immediately in the saliva, gastric juices, colon, and in the blood. Angus Chen, STAT, 27 Dec. 2023 Pall Thordarson, the director of the University of New South Wales RNA Institute, previously told USA TODAY that even if someone did ingest elements of a vaccine, the particles would be destroyed in the stomach by gastric juices. Nate Trela, USA TODAY, 9 May 2023 Fenton says another thing to keep in mind: All food goes to the stomach and mixes with gastric juice that’s set at a low pH of around 1 or 2 — so, slightly less acidic than battery acid. Megan Schmidt, Discover Magazine, 19 June 2020

Word History

First Known Use

circa 1736, in the meaning defined above

Time Traveler
The first known use of gastric juice was circa 1736

Browse Nearby Words

Cite this Entry

“Gastric juice.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gastric%20juice. Accessed 13 Feb. 2026.

Kids Definition

gastric juice

noun
: a watery acid fluid that aids digestion and is secreted by glands in the walls of the stomach

Medical Definition

gastric juice

noun
: a thin watery acid digestive fluid secreted by the glands in the mucous membrane of the stomach and containing 0.2 to 0.4 percent free hydrochloric acid and several enzymes (as pepsin)

More from Merriam-Webster on gastric juice

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster