omeprazole

== English == === Etymology === From o(xy)- + me(tho)- + -prazole (“benzimidazole derivative”). === Pronunciation === (Received Pronunciation) IPA(key): /əʊˈmɛp.ɹə.zəʊl/ (General American) IPA(key): /oʊˈmɛp.ɹəˌzoʊl/ === Noun === omeprazole (uncountable) (pharmacology) A substituted benzimidazole (trademark Losec, Prilosec) which is a proton pump inhibitor and inhibits secretion of gastric acid, being given orally in the treatment of ulcers and gastroesophageal reflux; 5-methoxy-2-(4-methoxy-3,5-dimethyl-2-pyridylmethylsulfinyl)benzimidazole, C17H19N3O3S. 2001: The first successful drug of this class was omeprazole (sold under the trade name Losec®), and it helped to change the medium-sized Swedish pharmaceutical company Astra, which discovered it, into a major player in the pharmaceutical industry. — Leslie Iversen, Drugs: A Very Short Introduction (Oxford 2001, p. 46) ==== Derived terms ==== esomeprazole ==== Translations ==== === References === “omeprazole”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. “omeprazole”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.