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neurotransmitter

[ noor-oh-trans-mit-er, -tranz-, nyoor- ]
/ ˌnʊər oʊˈtræns mɪt ər, -ˈtrænz-, ˌnyʊər- /
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noun
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.
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Origin of neurotransmitter

First recorded in 1960–65; neuro- + transmitter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use neurotransmitter in a sentence

British Dictionary definitions for neurotransmitter

neurotransmitter
/ (ˌnjʊərəʊtrænzˈmɪtə) /

noun
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

Scientific definitions for neurotransmitter

neurotransmitter
[ nur′ō-trănzmĭt-ər ]

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.

Cultural definitions for neurotransmitter

neurotransmitter

Any one of a number of chemicals that are used to transmit nerve signals across a synapse. They are sprayed from the end of the “upstream” nerve cell and absorbed by receptors in the “downstream” cell.

notes for neurotransmitter

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.
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