Dictionary.com

concussion

[ kuhn-kuhsh-uhn ]
/ kənˈkʌʃ ən /
Save This Word!

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.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of concussion

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

OTHER WORDS FROM concussion

con·cus·sion·al, con·cus·sant [kuhn-kuhs-uhnt], /kənˈkʌs ənt/, adjectivecon·cus·sive, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use concussion in a sentence

British Dictionary definitions for concussion

concussion
/ (kənˈkʌʃən) /

noun
a jarring of the brain, caused by a blow or a fall, usually resulting in loss of consciousness
any violent shaking; jarring

Derived forms of concussion

concussive, 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

Scientific definitions for concussion

concussion
[ kən-kĆ­shâ€Čən ]

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.
The American HeritageŸ Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK