Definition of "omeprazole" []

• A drug that suppresses gastric acid secretion and is used for the treatment of duodenal and gastric ulcers and gastroesophageal reflux disease. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "My husband spent a small fortune on antacids for his heartburn until he started taking a proton pump inhibitor PPI called omeprazole a few years ago."
• "My husband spent a small fortune on antacids for his heartburn until he started taking a proton pump inhibitor (PPI) called omeprazole a few years ago."
• "AstraZenica, the international pharmaceutical company worth $46.8 billion, began selling a drug called omeprazole in 1989 under the brand name Prilosec."