Main Entry: scle·ro·sis

Pronunciation: \sklə-ˈrō-səs\

Function: noun

Etymology: Middle English sclirosis tumor, from Medieval Latin, from Greek sklērōsis hardening, from sklēroun to harden, from sklēros

Date: 1846

1 : pathological hardening of tissue especially from overgrowth of fibrous tissue or increase in interstitial tissue; also : a disease characterized by sclerosis
2 : an inability or reluctance to adapt or compromise <political sclerosis>