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
Estrogen also influences the production and activity of key neurotransmitters like: serotonin, dopamine and norepinephrine.
—
Lauryn Higgins, Flow Space, 11 July 2025
Parsnips are also high in vitamin C, which functions as an antioxidant and is required for immunity, collagen, neurotransmitter production, and many other important processes.18
Parsnips can be roasted, boiled and mashed, or shaved raw into salads.
—Jillian Kubala, Health, 3 July 2025
Nitrous oxide also blocks certain neurotransmitters and triggers the release of endorphins, creating a lightheaded, euphoric sensation, hence its appeal as a recreational drug.
—Bradley Hohulin, IndyStar, 2 July 2025
When people feel like their contributions matter, the brain releases dopamine and other neurotransmitters that keep them engaged.
—Dr. Diane Hamilton, Forbes.com, 14 June 2025
See All Example Sentences for neurotransmitter
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Lauryn Higgins, Flow Space, 11 July 2025
Parsnips are also high in vitamin C, which functions as an antioxidant and is required for immunity, collagen, neurotransmitter production, and many other important processes.18
Parsnips can be roasted, boiled and mashed, or shaved raw into salads.
—Jillian Kubala, Health, 3 July 2025
Nitrous oxide also blocks certain neurotransmitters and triggers the release of endorphins, creating a lightheaded, euphoric sensation, hence its appeal as a recreational drug.
—Bradley Hohulin, IndyStar, 2 July 2025
When people feel like their contributions matter, the brain releases dopamine and other neurotransmitters that keep them engaged.
—Dr. Diane Hamilton, Forbes.com, 14 June 2025
See All Example Sentences for neurotransmitter
Cite this Entry
“Neurotransmitter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neurotransmitter. Accessed 20 Jul. 2025.
Copy CitationKids 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
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