Definition of multiple sclerosis in English:

multiple sclerosis

noun

mass noun
  • A chronic, typically progressive disease involving damage to the sheaths of nerve cells in the brain and spinal cord, whose symptoms may include numbness, impairment of speech and of muscular coordination, blurred vision, and severe fatigue.

Pronunciation

multiple sclerosis

/ˌmʌltɪp(ə)l skləˈrəʊsɪs/