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 These receptors form the endocannabinoid system, which acts as conductor for an orchestra of neurotransmitters, turning up or down the volume on sleep, temperature, pain, hunger, learning, and memory. Julia Michie Bruckner, Discover Magazine, 5 Apr. 2024 Drinking alcohol alters the levels of neurotransmitters in your brain. Amanda MacMillan, Health, 26 Mar. 2024 Physiological changes in the brain in response to fluctuating hormone levels include inflammation, changes in the amount of neurotransmitters produced, changes in oxygen levels and glucose metabolism. Eileen Finan, Peoplemag, 10 Mar. 2024 This peptide prevents wrinkles by inhibiting the release of neurotransmitters—as Botox does. Glamour, 1 Mar. 2024 Usually, the brain sends signals through the electrical impulses and the release of neurotransmitters between cells. Eryn Brown, Washington Post, 23 Feb. 2024 For example, valerian may increase the amount or function of GABA (gamma-aminobutyric acid), a neurotransmitter associated with sleep. Avery Hurt, Discover Magazine, 11 Mar. 2024 These neurotransmitters play important roles in your ability to pay attention, think and stay motivated. Cara Lynn Shultz, Peoplemag, 31 Jan. 2024 In response to neurotransmitters such as adrenaline, adrenergic receptors help to heighten awareness and vitality. Sponsored Content, The Mercury News, 19 Jan. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'neurotransmitter.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 19 Apr. 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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