[noo r-oh-trans-mit-er, -tranz-, nyoo r-]
- any of several chemical substances, as epinephrine or acetylcholine, that transmit nerve impulses across a synapse to a postsynaptic element, as another nerve, muscle, or gland.
Origin of neurotransmitter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for neurotransmitter
Protein stimulates a neurotransmitter in your brain called orexin.Five Healthy—and Legal—Ways to Stay Awake Longer
December 4, 2013
Parkinson's wreaks havoc by affecting nerve cells in the brain that make the neurotransmitter called dopamine.A Bicycle Built for Parkinson's Relief
Daily Beast Promotions
December 11, 2009
- a chemical by which a nerve cell communicates with another nerve cell or with a muscle
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
Word Origin and History for neurotransmitter
Online Etymology Dictionary, © 2010 Douglas Harper
- Any of the various chemical substances, such as acetylcholine, that transmit nerve impulses across a synapse.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A chemical substance that is produced and secreted by a neuron and then diffuses across a synapse to cause excitation or inhibition of another neuron. Acetylcholine, norepinephrine, dopamine, and serotonin are examples of neurotransmitters.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Drugs like Prozac and alcohol affect the emission and reception of neurotransmitters.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.