Dictionary.com

neurotransmitter

[ noor-oh-trans-mit-er, -tranz-, nyoor- ]
/ ˌnʊər oʊˈtræns mɪt ər, -ˈtrænz-, ˌnyʊər- /
Save This Word!

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.

QUIZZES

QUIZ YOURSELF ON THE 12 TYPES OF VERB TENSES!

Loosen up your grammar muscles because it’s time to test your knowledge on verb tenses!
Question 1 of 6
The verb tenses can be split into which 3 primary categories?

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of neurotransmitter

First recorded in 1960–65; neuro- + transmitter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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

Medical definitions for neurotransmitter

neurotransmitter
[ nur′ō-trănzmĭt-ər, -trăns- ]

n.

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.

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.
FEEDBACK