multiple sclerosis

noun

Synonyms of multiple sclerosisnext
: a demyelinating disease marked by patches of hardened tissue in the brain or the spinal cord and associated especially with partial or complete paralysis and jerking muscle tremor

Examples of multiple sclerosis in a Sentence

Recent Examples on the Web
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Originally designed to target and wipe out cancer by reprogramming the patient’s immune cells, CAR T is now being offered to patients in hundreds of clinical trials for autoimmune conditions like multiple sclerosis, lupus, Graves’ disease, vasculitis, and many others. Amber Dance, ArsTechnica, 17 May 2026 Some research suggests that supplementing with these nutrients may improve symptoms of conditions such as rheumatoid arthritis, multiple sclerosis, and systemic lupus erythematosus. Megan Nunn, Verywell Health, 12 May 2026 Investigators said Fike had multiple sclerosis and was under the care of a caretaker. Madeline Bartos, CBS News, 7 May 2026 When he was selected by the Raiders with the first pick, the quarterback embraced family members — including mom Elsa, who has multiple sclerosis — who had gathered together to celebrate the big moment. Anna Lazarus Caplan, PEOPLE, 4 May 2026 See All Example Sentences for multiple sclerosis

Word History

First Known Use

1885, in the meaning defined above

Time Traveler
The first known use of multiple sclerosis was in 1885

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Cite this Entry

“Multiple sclerosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/multiple%20sclerosis. Accessed 20 May. 2026.

Kids Definition

multiple sclerosis

noun
: a disease marked by patches of hardened tissue in the brain or spinal cord resulting in symptoms (as weakness or paralysis in the arms or legs or loss of balance and muscle coordination) that usually come and go

Medical Definition

multiple sclerosis

noun
: a demyelinating disease marked by patches of hardened tissue in the brain or the spinal cord and associated especially with partial or complete paralysis and jerking muscle tremor
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