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proton pump inhibitor

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

noun

, Pharmacology.
  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. : PPI


proton-pump inhibitor

noun

  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


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Word History and Origins

Origin of proton pump inhibitor1

First recorded in 1980–85

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proton-proton chainproton synchrotron