from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A drug that suppresses gastric acid secretion and is used for the treatment of duodenal and gastric ulcers and gastroesophageal reflux disease.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A benzimidazole, C17H19N3O3S, which is a proton pump inhibitor, taken to prevent the secretion of gastric acid.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. antacid (trade name Prilosec) that suppresses acid secretion in the stomach
Perhaps o(xy)- + me(thyl) + -prazole, antiulcer agent suff. (ultimately from (benzimid)azole).(American Heritage® Dictionary of the English Language, Fourth Edition)
Origin uncertain; the OED suggests o(xy-) + me(thyl-) + p(y)r(idine) + (imid)az(ole) + (ind)ole. (Wiktionary)