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ranitidine

American  
[ra-nit-i-deen] / ræˈnɪt ɪˌdin /

noun

Pharmacology.
  1. an antihistamine, C 13 H 22 N 4 O 3 SHCl, that inhibits the formation of gastric acid, used in the treatment of peptic ulcers and acid reflux.


Etymology

Origin of ranitidine

First recorded in 1975–80; origin uncertain: probably a blend of (fu)ran ( def. ) + nit(ro-) ( def. ) + -idine ( 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:

In recent years, it has been detected in certain versions of the drugs valsartan, ranitidine, and metformin.

From Science Daily Apr. 29, 2026

In 2020, US regulators pulled Zantac off shelves due to fears that a key ingredient, ranitidine, could turn into a substance that may cause cancer when exposed to heat.

From BBC Oct. 9, 2024

But Judge Robin Rosenberg said experts hired by the plaintiffs did not establish that ranitidine causes cancer.

From Science Magazine Dec. 14, 2022

Concerns around Zantac - known chemically as ranitidine - containing potential cancer-causing impurities started to emerge in 2018, well after generic versions of the medicine had been launched.

From Reuters Aug. 17, 2022

We wrote up prescriptions for a number of common medications-metformin, lasix, albuterol, lisinopril, ranitidine.

From New York Times Nov. 15, 2012

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