concussion

[kuh n-kuhsh-uh n]

noun

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

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

the act of violently shaking or jarring.

Origin of concussion

1350–1400; Middle English < Latin concussiōn- (stem of concussiō) a shaking. See concuss, -ion

Related formscon·cus·sion·al, con·cus·sant

[kuh n-kuhs-uh nt] /kənˈkʌs ənt/, adjectivecon·cus·sive, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for concussive

Contemporary Examples of concussive

They fall backwards into trenches, the camera jolting with the concussive force of the explosions.
WWII Lies of Hollywood's Greats
Caryn James
February 22, 2014

Historical Examples of concussive

Completing the circuit, laughter of a particularly boisterous and concussive variety interrupted his fragmentary speech.
The Life of the Party
Irvin Shrewsbury Cobb

British Dictionary definitions for concussive

concussion

noun

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

any violent shaking; jarring

Derived Formsconcussive, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for concussive

concussion

c.1400, from Latin concussionem (nominative concussio) "a shaking," noun of action from past participle stem of concutere "shake violently," from com- "together" (see com-) + quatere "to shake" (see quash). Modern brain injury sense is from 1540s.

concussive in Medicine

concussion

[kən-kŭsh′ən]

n.

A violent shaking or jarring.

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

concussive in Science

concussion

[kən-kŭsh′ən]

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.