a white, crystalline powder, CHClNO, that dilates blood vessels, used in medicine to treat angina pectoris, hypertension, etc.
in full verapamil hydrochloride
A calcium channel blocker drug, C27H38N2O4, that acts as a coronary vasodilator and is used in its hydrochloride form to treat hypertension and certain cardiac arrhythmias.
Origin of verapamilvera(tryl) one of its constituents ( from New Latin Vērātrum hellebore genus ; see veratrine. ) -pamil vasodilating drug suffix (perhaps p(ropyl) ) ( am(ino) ) ( (nitr)il(e) )