Dictionary

epilepsy

noun ep·i·lep·sy \ˈe-pə-ˌlep-sē\

medical : a disorder of the nervous system that can cause people to suddenly become unconscious and to have violent, uncontrolled movements of the body

plural ep·i·lep·sies

Full Definition of EPILEPSY

:  any of various disorders marked by abnormal electrical discharges in the brain and typically manifested by sudden brief episodes of altered or diminished consciousness, involuntary movements, or convulsions

Origin of EPILEPSY

Middle English epilencie, from Anglo-French & Latin; Anglo-French epelempsie, modification of Late Latin epilepsia, from Greek epilēpsia, from epilambanein to seize, from epi- + lambanein to take, seize — more at latch
First Known Use: 1543

epilepsy

noun ep·i·lep·sy \ˈep-ə-ˌlep-sē\   (Medical Dictionary)
plural ep·i·lep·sies

Medical Definition of EPILEPSY

:  any of various disorders marked by abnormal electrical discharges in the brain and typically manifested by sudden brief episodes of altered or diminished consciousness, involuntary movements, or convulsions—see grand mal, petit mal; focal epilepsy, jacksonian epilepsy, myoclonic epilepsy, temporal lobe epilepsy

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