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

Examples of multiple sclerosis in a Sentence

Recent Examples on the Web

Jeffreys noted that multiple sclerosis can fluctuate, with some patients able to work full time, some able to work flexibly and others unable to work at all. — Michelle Mbekeani, Forbes.com, 1 July 2026

Harvard Health reports the associations may stretch well beyond the gut, from autoimmune diseases like lupus, type 1 diabetes and multiple sclerosis to chronic fatigue, fibromyalgia, arthritis, allergies, asthma, acne, obesity and even mental illness. — Ryan Brennan, Sacbee.com, 24 June 2026

He was joined by friends and family, including his mother Elsa, who has multiple sclerosis. — Skyler Caruso, PEOPLE, 22 June 2026

Our team tested this theory by giving rhesus macaque monkeys infected with SIV – a version of HIV that infects nonhuman primates – a multiple sclerosis drug that targets integrins. — Smita S. Iyer, The Conversation, 8 June 2026

Word History

First Known Use

1885, in the meaning defined above

Rhymes for multiple sclerosis

• actinomycosis
• atherosclerosis
• endometriosis
• erythematosus
• erythroblastosis
• granulomatosis
• hemochromatosis
• histiocytosis
• hyperkeratosis
• ketoacidosis
• mononucleosis
• osteonecrosis

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