any of a group of peptides occurring in the brain and other tissues of vertebrates, and resembling opiates, that react with the brain's opiate receptors to raise the pain threshold.
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How to use endorphin in a sentence
Exercise releases endorphins, which can create brain activity that keeps some awake.
Showing kindness to others is also an easy way to release healthy endorphins.
So, when endorphins are circulating, they are essentially natural opioids.
There are various theories for why this happens, including the release of pain-blocking brain chemicals such as endorphins.
It was almost like these betting machines or these games online that give you a little endorphin hit each time.A Number Theorist Who Solves the Hardest Easy Problems | Erica Klarreich | July 1, 2020 | Quanta Magazine
I woke disoriented and crabby, without my customary morning jolt of endorphin.Down and Out in the Magic Kingdom | Cory Doctorow
British Dictionary definitions for endorphin
any of a class of polypeptides, including enkephalin, occurring naturally in the brain, that bind to pain receptors and so block pain sensation
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
Scientific definitions for endorphin
Any of a group of peptide substances secreted by the anterior portion of the pituitary gland that inhibit the perception of painful stimuli. Endorphins act as neurotransmitters in the pain pathways of the brain and spinal cord. Narcotic drugs may stimulate the secretion of endorphins.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.