EXAMPLES | WORD ORIGIN 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
) a shaking. See
-ion Related forms con·cus·sion·al, con·cus·sant , [k uh n- kuhs- uh nt] /kənˈkʌs ənt/ adjective con·cus·sive, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for concussive Contemporary Examples of concussive Historical Examples of concussive British Dictionary definitions for concussive 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 concussive, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for concussive n.
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.
Online Etymology Dictionary, © 2010 Douglas Harper
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.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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 Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.