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verapamil

[veer-uh-pam-uh l, ver-]
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noun Pharmacology.
  1. a white crystalline powder, C27H38N2O4, used as a calcium blocker in the treatment of angina and certain arrhythmias.
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Origin of verapamil

1965–70; perhaps by rearrangement of letters from valeronitrile and aminopropyl, two of its chemical components
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for verapamil

verapamil

noun
  1. med a calcium-channel blocker used in the treatment of angina pectoris, hypertension, and some types of irregular heart rhythm
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012