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convulsion

con·vul·sion [ kən vúlshən ]


noun  (plural con·vul·sions)
Definition:
 
1. uncontrollable shaking: a violent shaking of the body or limbs caused by uncontrollable muscle contractions, which can be a symptom of brain disorders and other conditions

2. disturbance: an extreme disruption or disturbance ( literary )



plural noun con·vul·sions 
Definition:
 
laughter: fits of laughter


con·vul·sion·ar·y adjective
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