blocker

noun

block·​er ˈbläk-ər How to pronounce blocker (audio)
: one that blocks see alpha-blocker, beta-blocker, calcium channel blocker

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block anesthesia

blocker

blocking

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“Blocker.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/blocker. Accessed 15 Dec. 2024.

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