neurotransmitter

noun

neu·​ro·​trans·​mit·​ter ˌnu̇r-ō-tran(t)s-ˈmi-tər How to pronounce neurotransmitter (audio)
-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
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.
Walking outdoors is especially helpful as sunlight stimulates the secretion of mood-boosting neurotransmitters serotonin and dopamine, adds Farina. Noma Nazish, Forbes, 4 Nov. 2024 This type of narcolepsy is often confirmed by a spinal tap showing a lack of the neurotransmitter orexin. Sandee Lamotte, CNN, 1 Nov. 2024 Manganese is necessary for energy metabolism and immune function, while copper acts as a cofactor for enzymes involved in energy production, neurotransmitter synthesis, iron metabolism, and more.1112 4. Jillian Kubala, Health, 28 Oct. 2024 To send signals, neurons fill cellular sacs with neurotransmitters; then those sacs fuse with the cell membrane to release the signaling compounds on to the next neuron. Yasemin Saplakoglu, WIRED, 20 Oct. 2024 See all Example Sentences for neurotransmitter 

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of neurotransmitter was in 1961

Dictionary Entries Near neurotransmitter

Cite this Entry

“Neurotransmitter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neurotransmitter. Accessed 22 Dec. 2024.

Kids Definition

neurotransmitter

noun
neu·​ro·​trans·​mit·​ter ˌn(y)u̇r-ō-tran(t)s-ˈmit-ər How to pronounce neurotransmitter (audio)
-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- How to pronounce neurotransmitter (audio)
: a substance (as norepinephrine or acetylcholine) that transmits nerve impulses across a synapse see false neurotransmitter

More from Merriam-Webster on neurotransmitter

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