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Definition of: arteriosclerosis
(är·tir′ē·ō·sklə·rō′sis) noun Pathol.
The thickening and hardening of the walls of an artery, with impairment of blood circulation, as in old age. [<NL <ARTERIO- + SCLEROSIS]
—ar·te′ri·o·scle·rot′ic (-rot′ik) adjective
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