blocker
Americannoun
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a person or thing that blocks.
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Football. a player whose assignment or special skill is blocking.
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Biochemistry. a substance that inhibits the physiological action of another substance, as the beta blocker propranolol that interferes with neurotransmitters in the sympathetic nervous system.
noun
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a person or thing that acts as a block
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physiol an agent that blocks a physiological function, such as the transport of an ion across an ion channel
Etymology
Origin of blocker
Middle English word dating back to 1200–50; see origin at block, -er 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But Fortnite must be downloaded from Epic's own store – which triggers Samsung’s Auto Blocker feature to kick in with warnings about it.
From BBC • Sep. 30, 2024
Donning a dress decorated with more than 100 face cutouts of “Idol” competitors, Perry also took to the stage one last time to sing “What Makes a Woman” with third-place finisher Jack Blocker.
From Los Angeles Times • May 20, 2024
“They said we got $40 million in funding for certain things, all different types of things we never see,” Blocker said.
From Washington Post • Jan. 14, 2023
Kidtrell Blocker also recorded eight points and two steals.
From Seattle Times • Nov. 12, 2022
The first thing Mr. Blocker did was to ask us to talk about one interesting thing that happened to us during the summer.
From "Aristotle and Dante Discover the Secrets of the Universe" by Benjamin Alire Saenz
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
