definition of concussive by The Free Dictionary


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con·cus·sion

 (kən-kŭsh′ən)

n.

1. A violent jarring; a shock: The concussion from the explosion broke windows three blocks away.

2. An injury to an organ, especially the brain, produced by a violent blow and followed by a temporary or prolonged loss of function.


[Middle English concussioun, bruise, contusion, from Latin concussiō, concussiōn-, concussion, from concussus, past participle of concutere, to strike together; see concuss.]


con·cus′sive (-kŭs′ĭv) adj.

con·cus′sive·ly adv.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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