omeprazole

Omeprazole (INN) (IPA: ) is a proton pump inhibitor used in the treatment of dyspepsia, peptic ulcer disease (PUD), gastroesophageal reflux disease (GORD/GERD) and Zollinger-Ellison syndrome. It was first marketed by AstraZeneca as the magnesium salt omeprazole magnesium under the trade names Losec and Prilosec, and is now also available from generic manufacturers under various trade names. Omeprazole is one of the most widely prescribed drugs internationally and is available over the counter in some countries.
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Omeprazole /omep·ra·zole/ an inhibitor of gastric acid secretion used in the treatment of dyspepsia, gastroesophageal reflux disease, disorders of [more]Omeprazole - Community and Resources

Noun
1. antacid (trade name Prilosec) that suppresses acid secretion in the stomach
(synonym) Prilosec
(hypernym) antacid, gastric antacid, alkalizer, alkaliser, antiacid
(classification) trade name, brand name, brand, marque

A drug that inhibits gastric acid secretion.