concussion

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Related to brain concussion: Brain contusion

concussion

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

concussion

[kən′kəsh·ən]
(engineering)
Shock waves in the air caused by an explosion underground or at the surface or by a heavy blow directly to the ground surface during excavation, quarrying, or blasting operations.
(medicine)
A state of shock following traumatic injury, especially cerebral trauma, in which there is temporary functional impairment without physical evidence of damage to impaired tissues.
References in periodicals archive ?
I suffered a double brain concussion, and my brain swelled so badly the doctors thought they would have to drill holes in my skull to relieve the pressure.
DAVID GEST, the award-winning producer who has been undergoing treatment for a brain concussion, will make his first public appearance in more than seven months at two concerts produced by DAVID GEST PRODUCTIONS, INC.
Having been severely tortured by security officers, Huitian is now suffering a brain concussion.