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traumatic brain injury

American  
[traw-mat-ik brayn in-juh-ree, truh-mat-ik] / trɔˈmæt ɪk ˈbreɪn ˌɪn dʒə ri, trəˈmæt ɪk /

noun

Medicine/Medical.
  1. damage to the brain from a source outside the body, such as an object that strikes the head violently or penetrates the skull, which causes symptoms ranging from headache and dizziness to permanent physical or mental disability: TBI

    After the car accident, he was diagnosed with a severe traumatic brain injury that greatly affected his memory and ability to concentrate.


Etymology

Origin of traumatic brain injury

First recorded in 1890–95


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:

The successful results in human tissue strengthen the case for further investigation and could eventually lead to clinical trials in people with neurodegenerative diseases or traumatic brain injury.

From Science Daily ● Oct. 7, 2026

Sheila Katerelos claimed in another suit she suffered a traumatic brain injury in 2020 after riding X2.

From Los Angeles Times ● Sep. 29, 2026

When she did, a doctor told her she wouldn’t walk again; she had a traumatic brain injury and was paralyzed on her left side.

From The Wall Street Journal ● Sep. 18, 2026

The court heard he suffered a serious traumatic brain injury, a significant skull fracture and a blood clot.

From BBC ● Sep. 14, 2026

If I Google traumatic brain injury, most websites tell me selective amnesia is a consequence.

From "We Were Liars" by E. Lockhart

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