Dictionary.com
Thesaurus.com

brain cell

American  

noun

Anatomy.
  • brain cells
    plural
  1. a neuron in the brain.


Other Word Forms

Noun Inflected Forms

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Where I lose patience, though, is when a director assumes the audience doesn’t have a collective brain cell among them and attempts to get away with serving action fans a ration of gruel.

From Los Angeles Times Aug. 21, 2026

The researchers believe this pathway could eventually lead to therapies that reduce brain cell loss in dementia.

From Science Daily Jul. 5, 2026

"While omega-3s play an important role in forming brain cell connections needed for cognition, our results do not support fish oil supplements as a preventive measure against Alzheimer's."

From Science Daily Jun. 29, 2026

Over the course of a two-year, placebo-controlled, double-blinded clinical trial, researchers found that high-dose omega-3 supplements failed to improve memory, cognitive performance, or brain cell loss in regions associated with Alzheimer's.

From Science Daily Jun. 29, 2026

“Anyone with half a brain cell can figure that out.”

From "How to Disappear Completely" by Ali Standish

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training