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

Magnesium helps regulate cortisol, supports melatonin production and activates GABA, the calming neurotransmitter system. —Allison Palmer, Charlotte Observer, 30 Mar. 2026

Chaste tree berry may interact with hormone therapies, while adaptogens like ashwagandha and rhodiola can influence neurotransmitters and may interact with antidepressants. —Rita Templeton, Flow Space, 30 Mar. 2026

Dopamine, a neurotransmitter, helps the brain identify pleasurable experiences—say, validation or success or even a good meal—and to repeat behaviors linked to them. —Jackie Flynn Mogensen, Scientific American, 24 Mar. 2026

The Ananda doctors believe that a massage at least every ten days is essential to flush out toxins and stimulate neurotransmitters. —Condé Nast, Condé Nast Traveler, 17 Mar. 2026

Word History

First Known Use

1961, in the meaning defined above

Rhymes for neurotransmitter

• babysitter
• bitter
• critter
• fitter
• fritter
• glitter
• hitter
• jitter
• knitter
• litter
• quitter
• ritter

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