English Reference
Noun

neuron

n. countable
C1 Advanced US /ˈnʊɹɑn/ UK /njˈuːɹɒn/ neu·ron UK spelling neuron's, neuron's Zoology

n.a special cell in your brain and body that sends and receives messages using electricity.

n.an electrically excitable cell that processes and transmits information through electrical and chemical signals.


SIMPLE

The brain contains billions of neurons that communicate with each other.

CONTEXTUAL

When you touch a hot surface, sensory neurons send a fast signal to your brain to pull your hand away.

COMPLEX

The complex architecture of the human brain relies on the synaptic connections formed between neurons, which allow for the rapid integration of sensory data and cognitive processing.

Usage

Commonly used in medical and biological contexts; often paired with 'sensory', 'motor', or 'mirror'.

That ability allows information to be stored and processed in the same place, resembling the way neurons function in the brain.

ScienceDaily· 17 Aug 2026

Axons are extensions of nerve cells that allow neurons to communicate with one another.

ScienceDaily· 14 Aug 2026

Common in science writing


From New Latin, from Ancient Greek νεῦρον (neûron, “nerve”), doublet of nerve and sinew. By surface analysis, neuro- + -on.

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

This entry
Origin Ancient Greek νεῦρον
Level C1 · Advanced
Frequency Occasional
Updated