Try Our Apps


Supposedly vs. Supposably

alpha blocker

or alpha-blocker

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

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

Usage Note

medicine's 21st Century Lexicon
Copyright © 2003-2014, LLC
Cite This Source

Word of the Day

Difficulty index for alpha blocker

Few English speakers likely know this word

Word Value for alpha

Scrabble Words With Friends