sclerosis
Pronunciation: /sklɪəˈrəʊsɪs, sklə-/
Definition of sclerosis
noun
- (in full multiple sclerosis) 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. Also called disseminated sclerosis.
Origin:
late Middle English (originally denoting a hard external tumour): via medieval Latin from Greek sklērōsis, from sklēroun 'harden'
