- IPA: /ɹəˈnɪtɪdiːn/
- (pharmacology) A furan which blocks the histamine H2-receptors, to prevent the secretion of gastric acid.
- 2001: The huge sales of one drug in particular, ranitidine (sold under the trade name Zantac®), helped to lift the British pharmaceutical company Glaxo into the world league. — Leslie Iversen, Drugs: A Very Short Introduction (Oxford 2001, p. 46)
- Plural form of ranitidina