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[veer-uh-pam-uh l, ver-] /ˌvɪər əˈpæm əl, ˌvɛr-/
noun, Pharmacology
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.
Origin of verapamil
1965-70; perhaps by rearrangement of letters from valeronitrile and aminopropyl, two of its chemical components Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for verapamil
  • Medicines through a vein, including adenosine and verapamil.
  • For long-term treatment of chronic cluster headaches, lithium may be used as an alternative to verapamil.
  • Drugs that can increase aldosterone measurements include lithium, spironolactone, and verapamil.
British Dictionary definitions for verapamil


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