Main Entry: ar·te·rio·scle·ro·sis

Pronunciation: \är-ˌtir-ē-ō-sklə-ˈrō-səs\

Function: noun

Etymology: New Latin

Date: 1881

: a chronic disease characterized by abnormal thickening and hardening of the arterial walls with resulting loss of elasticity — compare atherosclerosis

— ar·te·rio·scle·rot·ic \-ˈrä-tik\ adjective or noun