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.

block·er

(blok'er),
An instrument used to obstruct a passage.

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.

block·er

(blok'ĕr)
1. An instrument used to obstruct a passage.
References in periodicals archive ?
It said: "We are already planning our weekend treat at PW head quarters with carb blockers at the ready!
They are available in the Road Blocker 500 variant from Hormann with a barrier height of 500mm or in the Road Blocker 1000 version with a barrier height of 1000mm.
Todd Schell, professor of microbiology and immunology at Penn State College of Medicine, said that because beta blockers are already widely available, the findings could indicate a simple way for physicians to better treat their patients.
* Those using blockers are 145% more likely to use the Internet for entertainment and leisure, streaming music, podcasts or video content across devices, and 134% more likely to be particularly social online, using the Internet for email, instant messaging, and social/professional networking.
According to UK medical guidelines, beta blockers should be prescribed to all patients who have had a heart attack, regardless of whether they have had heart failure.
Google's own ad blocker for Chrome could also possibly be used to block offensive ads en masse on websites.
TEHRAN (FNA)- Computer scientist Arvind Narayanan, along with his colleagues from Princeton and Stanford have developed a new proof-of-concept ad blocker that spots ads more like a human.
The results of our study showed that treatment with calcium channel blockers (CCBs), particularly amlodipine, is not related to purpura or bleeding.
As per a recent survey by eMarketer, 69.8 million Americans are set to use ad blockers in 2016, spurning online advertisers, content producers and costing them millions in marketing money.
Several publishers, such as The New York Times have tried to work around ad blockers by asking users with ad blockers installed to turn them off in order to be allowed on a website.
Retale, a location-based mobile platform that helps shoppers save on purchases from retailers and brands, announced the results of a commissioned study examining ad blocker adoption on PCs and mobile devices.
ONE IN FIVE MILLENNIALS CURRENTLY USE AD BLOCKERS ON THEIR MOBILE DEVICES