Arteriosclerosis

Ar*te`ri*o*scle*ro"sis (är*te`ri*o*skle*ro"sis), n. [Gr. 'arthri`a artery + sclerosis.] (Med.)

Defn: Abnormal thickening and hardening of the walls of the arteries, esp. of the intima, occurring mostly in old age. -- Ar*te`ri*o*scle*rot"ic (#), a.