Source : Webster's Revised Unabridged Dictionary (1913)

Arteriosclerosis \Ar*te`ri*o*scle*ro"sis\
   ([aum]r*t[=e]`r[i^]*[-o]*skl[-e]*r[=o]"s[i^]s), n. [Gr.
   'arthri`a artery + sclerosis.] (Med.)
   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.

Source : WordNet®

arteriosclerotic
     adj : affected by arteriosclerosis