any of a group of drugs that prevent the influx of calcium into excitable tissues such as smooth muscle of the heart or arterioles, used in the treatment of angina, hypertension, and certain arrhythmias.
Also called calcium channel blocker.
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British Dictionary definitions for calcium channel blocker
calcium channel blocker
any drug that prevents the influx of calcium ions into cardiac and smooth muscle: used to treat high blood pressure and anginaAlso called: calcium antagonist
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