blocker
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.
Origin of blocker
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use blocker in a sentence
So, if anyone needs any beta blockers for the show, let me know.
I could have opted for chemoprevention, taken estrogen blockers for a few years.
Grants should also be given to develop better firewall blockers in the cause of free speech.
Burdon is good for around-the-end plays, as he is a fast runner, good dodger, and uses his blockers to the best advantage.
Harper's Round Table, October 1, 1895 | VariousLaying-on of Gold-leaf and Blockers (piece work) yields 18s.
Women in the Printing Trades. | Various
I'm not what us back-blockers call a parlour-man, though I may be a Dook; but neither the one nor the other is my fault.
My Lord Duke | E. W. HornungShe did not stop to consider how he came to be here; the back-blockers were already at explanations, but Olivia was not listening.
My Lord Duke | E. W. Hornung
British Dictionary definitions for blocker
/ (ˈblɒkə) /
a person or thing that acts as a block
physiol an agent that blocks a physiological function, such as the transport of an ion across an ion channel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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