WordReference Random House Unabridged Dictionary of American English © 2026
ci•met•i•dine
(sə met′i dēn′),USA pronunciation n. [Pharm.]
- Drugsa substance, C10H16N6S, that is used alone or in combination with antacids to inhibit gastric secretion in the treatment of duodenal ulcers.
- probably ci-, respelling, respelled of cy(ano)-3 + met(hyl) + (guan)idine 1975–80
'cimetidine' also found in these entries (note: many are not synonyms or translations):