- Main Entry:
- ve·rap·a·mil

- Pronunciation:
-
\və-ˈra-pə-ˌmil\
- Function:
- noun
- Etymology:
- International Scientific Vocabulary valeric (acid) + -apam- (probably alteration of amino + propyl) + nitrile
- Date:
- 1967
: a calcium channel blocker C27H38N2O4 used especially in the form of its hydrochloride