hyalinization

noun

hy·​a·​lin·​iza·​tion

variants also British hyalinisation

ˌhī-ə-lən-ə-ˈzā-shən 

: the process of becoming hyaline or of undergoing hyaline degeneration

also : the resulting state

hyalinized adjective

also British hyalinised

ˈhī-ə-lə-ˌnīzd