Definition of verapamil
: a calcium channel blocker C27H38N2O4 used especially in the form of its hydrochloride
Origin and Etymology of verapamil
International Scientific Vocabulary valeric (acid) + -apam- (probably alteration of amino + propyl) + nitrile
First Known Use: 1967
Seen and Heard
What made you want to look up verapamil? Please tell us where you read or heard it (including the quote, if possible).