ranitidine

[ ra-nit-i-deen ]

noun

, Pharmacology.

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

Word History and Origins

Origin of ranitidine¹

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