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