From Longman Dictionary of Contemporary EnglishRelated topics: Illness & disabilityconcussioncon‧cus‧sion /kənˈkʌʃən/ noun1MI[uncountable] British Englishtemporarydamage to the brain that makes you loseconsciousness or feel sick for a short time, usually caused by something hitting your headwith concussion
He was taken into hospital with concussion.2MI[countable] American English an injury to the brain that makes you lose consciousness or feel sick for a short time, usually caused by something hitting your head
I had a concussion, a broken leg and some minor injuries.
He suffered a mild/serious concussion as a result of the accident. 3[countable usually singular] a violentshakingmovement, caused by the very loudsound of something such as an explosion
The ground shuddered and heaved with the concussion of the blast.Examples from the Corpusconcussion• I went to the doctor and he agreed that it was like a concussion and that I should go home.• The risk of serious brain injury with a concussion is very, very low.• This means it avoids rotational forces on its brain, which tend to shear neuronal connections and cause concussion.• He was rushed to hospital with cerebralconcussion and a smashed-up face.• The doctor said it could have been a mildconcussion.• An Aikman-Turner rematch would be several years and a handful of concussions too late.• The man has a broken thigh and the woman severeconcussion.• I was unconscious for five hours, and sufferedconcussion and fractures.• Even if the shrapnel misses, the concussion will knock you down.• The concussionblew him off his seat and shattered the window.with concussion• Mrs Miller had been rushed into hospital with concussion after having walked into a tree in the pitchdark.• The risk of serious brain injury with a concussion is very, very low.• And they were unlucky to have hooker Malcolm Thomason carried off with concussionmidway through the half.• Ansah was carried off with concussion at Luton on Saturday, but had a precautionary brain scan and reportedfit this morning.• Palace had Andy Thornstretchered off with concussion, but he was given the all-clear after X-rays.• Nine police were taken to hospital, one with concussion, and 18 others had minor injuries.• The jockeycollided with a pedestrian, knocked himself out and is sidelinedwith concussion.• I was in bed for a weekwith concussion and the doctor said at first he thought I'd got a broken pelvis.Originconcussion(1500-1600)Latinconcussio, from concutere“to shake violently”, from com- ( → COM-) + quatere“to shake”
