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

Choline helps produce acetylcholine, a neurotransmitter that plays a role in memory, mood, and cognition. —Abby Norman, Verywell Health, 6 Apr. 2026

Gut health interventions may improve memory, thinking skills, and brain communication by stabilizing neurotransmitter networks and reducing inflammation. —Michele Laufik, Martha Stewart, 2 Apr. 2026

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

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