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Dictionary

con•cus•sion

Pronunciation: (kun-kush'un), [key]
—n.
1. Pathol.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.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

concuss

concussion grenade

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