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omeprazole

American  
[oh-mep-ruh-zohl] / oʊˈmɛp rəˌzoʊl /

noun

Pharmacology.
  1. a drug, C 17 H 19 N 3 O 3 S, that inhibits the formation of gastric acid, used in the treatment of peptic ulcers and acid reflux.


Etymology

Origin of omeprazole

First recorded in 1980–85; origin uncertain: perhaps from o(xy-) 2 ( def. ) + me(thyl-) ( def. ) + p(y)r(idine) ( def. ) + (benzimid)azole ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

To conduct the experiment, adult rats were separated into two groups: a control group and a group that received omeprazole.

From Science Daily Feb. 26, 2026

Although the experiments focused on omeprazole, the researchers emphasize that newer drugs in the same category, including pantoprazole and esomeprazole, function in a similar way.

From Science Daily Feb. 26, 2026

He had taken omeprazole for years for heartburn.

From Seattle Times Feb. 21, 2024

If Perrigo had bought omeprazole from a manufacturer and then sold the pills to customers in the U.S., its profits would have been taxed there.

From New York Times Jul. 7, 2022

Millions now take powerful medications like esomeprazole, lansoprazole or omeprazole without a prescription to ease their heartburn symptoms.

From Seattle Times Apr. 13, 2022

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