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brains
  • present tense form of brain (3rd person singular).

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.

Early studies showed that the shuttle-delivered trontinemab reached concentrations in the brain’s fluid that are eight times higher than standard antibodies, with much more uniform distribution around the brain.

From Barron's • Jun. 3, 2026

“You build on the brain’s natural ability to bring in important things, like iron or amino acids, and catch a ride,” he says.

From Barron's • Jun. 3, 2026

Research suggests that trauma can leave the amygdala—the brain’s threat-detection center—chronically overactivated, while dampening the prefrontal cortex, which governs reasoning.

From The Wall Street Journal • May 26, 2026

In Alzheimer's patients, the brain's waste disposal system begins to fail.

From Science Daily • May 17, 2026

Eventually they will chart the brain's electrical signals by attaching electrodes to the scalp for an "electroencephalograph," or EEG.

From "Phineas Gage" by John Fleischman