English Reference
Noun

neurotransmitter

n.
C1 Advanced UK /njˈuːɹətɹˌænsmɪtɐ/ neu·ro·trans·mit·ter UK spelling neurotransmitters

n.a chemical substance in your body that carries messages between your brain cells. It helps your brain control everything from your mood to your movements.

n.a chemical substance that transmits signals across a synapse from one neuron to another. It functions as a messenger within the nervous system to regulate various physiological and psychological processes.


SIMPLE

Dopamine is a neurotransmitter that affects how you feel about rewards.

CONTEXTUAL

Scientists are studying how certain foods can influence the production of serotonin, a neurotransmitter linked to happiness and sleep.

COMPLEX

The imbalance of specific neurotransmitters in the brain is often cited as a primary factor in the development of mood disorders such as depression and anxiety.

Certain types of activity can strengthen pelvic floor muscles, which boosts sexual satisfaction in both men and women , and positively affects the levels of hormones and neurotransmitters tied to sexual response.

The Guardian· 16 Aug 2026

Oxytocin is a hormone and neurotransmitter produced naturally in the body that influences social interactions, among other things.

Phys.org· 12 Aug 2026

From neuro- + transmitter.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Occasional
Updated