Concussion meaning

kən-kŭsh'ən
The definition of a concussion is a violent shaking or a shock, or an injury to the brain, particularly as the result of heavy blow to the head.

An example of a concussion is the result of someone smacking her head into the dashboard in a car accident.

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A violent jarring; a shock.

The concussion from the explosion broke windows three blocks away.

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An injury to an organ, especially the brain, produced by a violent blow and followed by a temporary or prolonged loss of function.
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A violent shaking; agitation; shock, as from impact.
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A condition of impaired functioning of some organ, esp. the brain, as a result of a violent blow or impact.
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A violent jarring; a shock.

The concussion from the explosion broke windows three blocks away.

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An injury to an organ, especially the brain, produced by a violent blow and followed by a temporary or prolonged loss of function.
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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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A violent collision or shock.
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An injury to part of the body, most especially the brain, caused by a violent blow, followed by loss of function.
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(law, civil law) The unlawful forcing of another by threats of violence to yield up something of value.
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Origin of concussion

  • Middle English concussioun bruise, contusion from Latin concussiō concussiōn- concussion from concussus past participle of concutere to strike together concuss
    From American Heritage Dictionary of the English Language, 5th Edition
  • Latin concussio
    From Wiktionary