verapamil verapamil /vəˈræpəmɪl/

noun

1. A drug (trade names Calan and Isoptin) used as an oral or parenteral calcium blocker in cases of hypertension or congestive heart failure or angina or migraine  ( Calan , Isoptin , verapamil )
   a drug (trade names Calan and Isoptin) used as an oral or parenteral calcium blocker in cases of hypertension or congestive heart failure or angina or migraine