-
- To save this word, you'll need to log in.
neurotransmitter
noun
neu·ro·trans·mit·ter
ˌnu̇r-ō-tran(t)s-ˈmi-tər
-tranz-,
ˌnyu̇r-
: a substance (such as norepinephrine or acetylcholine) that transmits nerve impulses across a synapse
Examples of neurotransmitter in a Sentence
Recent Examples on the Web
These include: Benzodiazepines, which work by increasing the level of gamma-aminobutyric acid, or GABA, a neurotransmitter that elicits a calming effect by reducing activity in the nervous system.
—
Ashley Bradford, The Conversation, 10 Jan. 2025
Acupuncture involves inserting thin needles into specific body points, stimulating the release of endorphins and other neurotransmitters.
—
Heather Margonari, Discover Magazine, 28 Nov. 2024
One group causes a general toxicity to cells, enabled by disruption of the cell membrane, while a different subset has the ability to block the receptor for a neurotransmitter.
—
Ars Technica, 15 Jan. 2025
These moments can trigger positive emotional responses, enhancing the release of neurotransmitters like dopamine, which reinforce motivation and collaboration.
—
Scott Hutcheson, Forbes, 14 Jan. 2025
See all Example Sentences for neurotransmitter ![](/dist-cross-dungarees/2025-02-06--20-43-45-x16ho/images/svg/redesign/arrow-right-exemplar.svg)
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
First Known Use
1961, in the meaning defined above
Dictionary Entries Near neurotransmitter
Cite this Entry
“Neurotransmitter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neurotransmitter. Accessed 11 Feb. 2025.
Kids Definition
neurotransmitter
noun
neu·ro·trans·mit·ter
ˌn(y)u̇r-ō-tran(t)s-ˈmit-ər
-tranz-
: a substance (as acetylcholine) that carries a nerve impulse from one neuron to another across a synapse
Medical Definition
neurotransmitter
noun
neu·ro·trans·mit·ter
ˌn(y)u̇r-ō-tran(t)s-ˈmit-ər, -tranz-
: a substance (as norepinephrine or acetylcholine) that transmits nerve impulses across a synapse see false neurotransmitter
More from Merriam-Webster on neurotransmitter
Britannica.com: Encyclopedia article about neurotransmitter
Love words? Need even more definitions?
Merriam-Webster unabridged
Share