proton pump inhibitor

[ proh-ton puhmp in-hib-i-ter ]

  1. any of a group of drugs that reduce the production of gastric acid, thereby alleviating acid reflux; promoting the healing of ulcers in the stomach, duodenum, and esophagus; and preventing new ulcers from forming.Abbreviation: PPI

Origin of proton pump inhibitor

First recorded in 1980–85

Words Nearby proton pump inhibitor Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for proton-pump inhibitor

proton-pump inhibitor

  1. any of a group of drugs used to treat excessive secretion of acid in the stomach and any resulting ulcers. They block the enzyme (proton pump) in the cells of the gastric glands that secrete hydrochloric acid

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012