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    convulsion
    /kənˈvʌlʃn/

    noun

    • 1. a sudden, violent, irregular movement of the body, caused by involuntary contraction of muscles and associated especially with brain disorders such as epilepsy, the presence of certain toxins or other agents in the blood, or fever in children: "toxic side effects like convulsions" Similar fitseizureparoxysmspasm
    • 2. a violent social or political upheaval: "the convulsions of 1939–45" Similar upheavaleruptionturmoilturbulence

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