verapamil

[ veer-uh-pam-uhl, ver- ]

noun

, Pharmacology.

1. a white crystalline powder, C 27 H 38 N 2 O 4 , used as a calcium blocker in the treatment of angina and certain arrhythmias.

verapamil

/ vɪˈræpəˌmɪl /

noun

1. med a calcium-channel blocker used in the treatment of angina pectoris, hypertension, and some types of irregular heart rhythm

Word History and Origins

Origin of verapamil¹

1965–70; perhaps by rearrangement of letters from valeronitrile and aminopropyl, two of its chemical components