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epilepsy

ep·i·lep·sy [ éppi lèpsee ] (plural ep·i·lep·sies)


noun 
Definition:
 
medical disorder of the brain: a medical disorder involving episodes of irregular electrical discharge in the brain and characterized by the periodic sudden loss or impairment of consciousness, often accompanied by convulsions

[Mid-16th century. Via French< Greek epilēpsia "seizure" < epilambanein "seize" < lambanein "grasp"]
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