/ skləˈrəʊsɪs; NAmE -ˈroʊ-/ noun
[ U ] ( medical ) a condition in which soft tissue in the body becomes hard, in a way that is not normal
—see also multiple sclerosis
► scler·otic / skləˈrɒtɪk; NAmE -ˈrɑːt-/ adjective
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WORD ORIGIN
late Middle English (originally denoting a hard external tumour): via medieval Latin from Greek sklērōsis , from sklēroun harden.