gastric bypass

noun

: a surgical bypass operation that typically involves reducing the size of the stomach and reconnecting the smaller stomach to bypass the first portion of the small intestine so as to restrict food intake and reduce caloric absorption in cases of severe obesity compare gastric banding

Examples of gastric bypass in a Sentence

Recent Examples on the Web

For the study, Serlie and colleagues used the national bariatric surgery registry in the Netherlands, which included more than 17,000 participants who underwent one of two types of bariatric surgery, gastric bypass or sleeve gastrectomy. — Crystal Gwizdala, Hartford Courant, 1 Aug. 2026

In its first clinical study evaluating the safety and performance of the system in Roux-en-Y gastric bypass procedures, Ottava met its primary endpoints through 30 days post-procedure. — Jeff Marks, CNBC, 5 May 2026

Any form of major or rapid weight loss (whether due to diet changes, a GLP-1 drug, or gastric bypass surgery) can impact bone health. — Erica Sloan, SELF, 31 Mar. 2026

Procedures, like gastric bypass, affect the upper small intestine, where vitamin D is absorbed. — Amy Brownstein, Verywell Health, 27 Feb. 2026

Word History

First Known Use

1967, in the meaning defined above

Rhymes for gastric bypass

• bermudagrass
• ecclesiastes
• alas
• amass
• bromegrass
• crabgrass
• crevasse
• eelgrass
• eyeglass
• groundmass
• harass
• impasse

Medical Definition

gastric bypass

noun

: a surgical bypass operation performed to restrict food intake and reduce absorption of calories and nutrients in the treatment of severe obesity that typically involves reducing the size of the stomach and reconnecting the smaller stomach to bypass the first portion of the small intestine

especially : roux-en-y gastric bypass