concussion

American  

[kuhn-kuhsh-uhn] / kənˈkʌʃ ən /

noun

1. Pathology. injury to the brain or spinal cord due to jarring from a blow, fall, or the like.

2. shock caused by the impact of a collision, blow, etc.

3. the act of violently shaking or jarring.

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concussion British  

/ kənˈkʌʃən /

noun

1. a jarring of the brain, caused by a blow or a fall, usually resulting in loss of consciousness

2. any violent shaking; jarring

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concussion Scientific  

/ kən-kŭsh′ən /

1. An injury to a soft structure, especially the brain, produced by a violent blow or impact and followed by a temporary, sometimes prolonged, loss of function. A concussion of the brain results in transient loss of consciousness or memory.

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Other Word Forms

• concussant adjective
• concussional adjective
• concussive adjective

Etymology

Origin of concussion

First recorded in 1350–1400; Middle English, from Latin concussiōn-, stem of concussiō “a shaking,” also “earthquake, extortion”; equivalent to concuss + -ion

Example Sentences

Rahman said she later woke up at a hospital, where doctors told her she had suffered a concussion.

From Los Angeles Times

Under World Rugby's HIA protocol, players showing concussion symptoms must spend a minimum of 12 days on the sidelines.

From BBC

I swallow, thinking of Eddie, with her concussion and her broken leg.

From Literature

Following events such as strokes, concussions, or neurodegenerative diseases, neurons and their axons are much more likely to deteriorate than to repair themselves.

From Science Daily

Vine had to contend with the shock loss of his closest GC rival Narvaez, who crashed out only a few minutes into the stage and was taken to hospital for concussion observation.

From Barron's

Related Words

• bump
• injury
• shock
• trauma