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alpha blocker

noun, Pharmacology
any of various substances that interfere with the action of the alpha receptors.
Also, alpha-blocker.
Compare beta blocker.
Related forms
alpha-blocking, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Contemporary definitions for most alpha blocking

any of various drugs that prevent the stimulation of alpha-adrenergic receptors that increase blood pressure

Usage Note

medicine's 21st Century Lexicon
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