multiple sclerosis
noun /ˌmʌltɪpl skləˈrəʊsɪs/
  /ˌmʌltɪpl skləˈrəʊsɪs/
 [uncountable] (abbreviation MS)
- a disease of the nervous system that gets worse over a period of time with loss of feeling in the body and loss of control of movement and speechTopics Illnessc2