CONVULSION
- Uncontrollable laughter
- An earthquake or other violent or major movement of the earth's crust
- A sudden, violent, irregular movement of a limb or of the body, caused by involuntary contraction of muscles and associated esp. with brain disorders such as epilepsy, the presence of certain toxins or other agents in the blood, or fever in children
- A violent social or political upheaval
- an abnormal violent and involuntary contraction or series of contractions of the muscles [n -S]
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