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
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Amino acids have a hand in many bodily processes, such as building and preserving muscle, making hormones and neurotransmitters, boosting the immune system, even maintaining healthy skin, hair and nails.
—
Andrea Kane, CNN Money, 15 Apr. 2025
Deliberately introducing challenges that align with our values or contribute to a greater good can help release hormones and neurotransmitters that counteract cortisol and reduce its harmful effects.
—Calin Van Paris, Outside Online, 15 Apr. 2025
This essential mineral helps regulate neurotransmitters involved in relaxation and sleep.
—Elizabeth Fogarty, Better Homes & Gardens, 8 Apr. 2025
Estrogen affects neurotransmitters in the brain that impact memory, mood, and sleep, so fluctuating levels can result in cognitive changes.
—Erica Sweeney, SELF, 21 Mar. 2025
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Andrea Kane, CNN Money, 15 Apr. 2025
Deliberately introducing challenges that align with our values or contribute to a greater good can help release hormones and neurotransmitters that counteract cortisol and reduce its harmful effects.
—Calin Van Paris, Outside Online, 15 Apr. 2025
This essential mineral helps regulate neurotransmitters involved in relaxation and sleep.
—Elizabeth Fogarty, Better Homes & Gardens, 8 Apr. 2025
Estrogen affects neurotransmitters in the brain that impact memory, mood, and sleep, so fluctuating levels can result in cognitive changes.
—Erica Sweeney, SELF, 21 Mar. 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 29 Apr. 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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