scle·rose \sklə̇rōs, ˈskliˌr-, ˈskleˌr-, -ōz\verb (-ed/-ing/-s) Etymology: back-formation from sclerosed transitive verb : to cause sclerosis in < chronic infections may sclerose kidneys > intransitive verb : to undergo or become affected with sclerosis : become sclerotic < arteries of older people often tend to sclerose >