epilepsy

noun

ep·​i·​lep·​sy ˈe-pə-ˌlep-sē How to pronounce epilepsy (audio)
plural epilepsies
: 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

Examples of epilepsy in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Cleveland Clinic’s epilepsy team is using advanced imaging and AI to help locate the source of seizures. Randy Bean, Forbes, 6 Oct. 2024 Boyce’s family started the Cameron Boyce Foundation in his honor, aiming to cure epilepsy by funding research, education and awareness campaigns. Glenn Garner, Deadline, 12 Sep. 2024 Meanwhile, the therapeutic keto diet for conditions like epilepsy or cancer follows a 3-to-1 or 4-to-1 ratio of fat to carbohydrates and protein. Laura Dorwart, Verywell Health, 7 Oct. 2024 One idea is to come up with therapies that are less invasive than the deep brain implants used to treat Parkinson’s disease and epilepsy, but are still precise enough to have a profound impact on the brain. Matt Reynolds, WIRED, 2 Oct. 2024 See all Example Sentences for epilepsy 

Word History

Etymology

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, in the meaning defined above

Time Traveler
The first known use of epilepsy was in 1543

Dictionary Entries Near epilepsy

Cite this Entry

“Epilepsy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epilepsy. Accessed 5 Nov. 2024.

Kids Definition

epilepsy

noun
ep·​i·​lep·​sy ˈep-ə-ˌlep-sē How to pronounce epilepsy (audio)
: a disorder marked by abnormal electrical discharges in the brain, by attacks of convulsions, and by loss of consciousness

Medical Definition

epilepsy

noun
ep·​i·​lep·​sy ˈep-ə-ˌlep-sē How to pronounce epilepsy (audio)
plural epilepsies
: 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 absence epilepsy, grand mal sense 1, petit mal sense 1 focal epilepsy, jacksonian epilepsy, myoclonic epilepsy, temporal lobe epilepsy

More from Merriam-Webster on epilepsy

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