Dictionary

concussion

concussion

noun con·cus·sion \kən-ˈkə-shən\

: an injury to the brain that is caused by something hitting the head very hard ( US ) ( Brit )

Full Definition of CONCUSSION

1
a :  a stunning, damaging, or shattering effect from a hard blow; especially :  a jarring injury of the brain resulting in disturbance of cerebral function
b :  a hard blow or collision
2
con·cus·sive \-ˈkə-siv\ adjective

Examples of CONCUSSION

  1. She suffered a severe concussion after falling on the ice.
  2. He went to hospital with concussion.

Origin of CONCUSSION

Middle English concussioun, from Latin concussion-, concussio, from concutere to shake violently, from com- + quatere to shake
First Known Use: 14th century

Rhymes with CONCUSSION

concussion

noun con·cus·sion \kən-ˈkəsh-ən\   (Medical Dictionary)

Medical Definition of CONCUSSION

1
:  a hard blow or collision
2
:  a condition resulting from the stunning, damaging, or shattering effects of a hard blow; especially :  a jarring injury of the brain resulting in disturbance of cerebral function and sometimes marked by permanent damage
con·cus·sive \-ˈkəs-iv\ adjective

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