nephrosclerosis

noun

neph·​ro·​scle·​ro·​sis ˌnef-rō-sklə-ˈrō-səs 

plural nephroscleroses -ˌsēz 

: hardening of the kidney

specifically : a condition that is characterized by sclerosis of the renal arterioles with reduced blood flow and contraction of the kidney, that is associated usually with hypertension, and that terminates in renal failure and uremia compare nephritis

nephrosclerotic

-ˈrät-ik 

adjective