ve·​rap·​a·​mil | \ və-ˈra-pə-ˌmil How to pronounce verapamil (audio) \

Definition of verapamil

: a calcium channel blocker C27H38N2O4 used especially in the form of its hydrochloride

Examples of verapamil in a Sentence

Recent Examples on the Web For some drugs, such as fexofenadine and verapamil, the PNECs are unknown because the calculations have not been done or are not publicly available. Natasha Gilbert, STAT, "‘Dump it down the drain’: How contaminants from prescription-drug factories pollute waterways," 11 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'verapamil.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of verapamil

1967, in the meaning defined above

History and Etymology for verapamil

perhaps from verap- (altered from letters of papaverine, from analogs of which the drug was developed) + am(ino) + (nitr)il(e)

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The first known use of verapamil was in 1967

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Cite this Entry

“Verapamil.” Dictionary, Merriam-Webster, Accessed 21 Oct. 2020.

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More Definitions for verapamil


ve·​rap·​am·​il | \ və-ˈrap-ə-ˌmil How to pronounce verapamil (audio) \

Medical Definition of verapamil

: a calcium channel blocker that is administered in the form of its hydrochloride C27H38N2O4·HCl especially to treat hypertension and angina pectoris — see calan

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