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English definition of “concussion”

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concussion

noun [U] uk   /kənˈkʌʃ.ən/ us  
temporary damage to the brain caused by a fall or hit on the head or by violent shaking: He's been a bit dizzy and confused since the accident. Do you think it's mild concussion?
Translations of “concussion”
in Chinese (Traditional) 腦震盪…
in Russian сотрясение мозга…
in Turkish beyin sarsıntısı…
in Chinese (Simplified) 脑震荡…
in Polish wstrząs mózgu…
(Definition of concussion from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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