Definition of verapamil
: a calcium channel blocker C27H38N2O4 used especially in the form of its hydrochloride
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Origin and Etymology of 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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Britannica.com: Encyclopedia article about verapamil
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