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neurotransmitter
[ noor-oh-trans-mit-er, -tranz-, nyoor- ]
/ ËnÊÉr oÊËtrĂŠns mÉȘt Ér, -ËtrĂŠnz-, ËnyÊÉr- /
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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 1960â65; neuro- + transmitter
Words nearby neurotransmitter
neurotoxic, neurotoxicity, neurotoxicology, neurotoxin, neurotransmission, neurotransmitter, neurotrophic, neurotrophy, neurotropic, neurotropism, neurotypical
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
/ (ËnjÊÉrÉÊtrĂŠnzËmÉȘtÉ) /
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
[ nurâČĆ-trÄnzâČmÄt-Ér ]
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 HeritageÂź 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 âupstreamâ nerve cell and absorbed by receptors in the âdownstreamâ 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.