blocker

(redirected from beta-blocker, beta-blocker)
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blocker

 [blok´er]
something that blocks or obstructs a passage or activity; see also antagonist and blocking agent.
β-blocker (beta-blocker) beta-adrenergic blocking agent.
calcium channel blocker calcium channel blocking agent.
potassium channel blocker potassium channel blocking agent.
sodium channel blocker sodium channel blocking agent.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

block·er

(blok'er),
An instrument used to obstruct a passage.
Farlex Partner Medical Dictionary © Farlex 2012

blocker

A popular term for anything which physically (e.g., a bed blocker, see there) or pharmacologically (e.g., a beta-blocker) impedes a process or activity.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

block·er

(blok'ĕr)
1. An instrument used to obstruct a passage.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012