sclerotization

[ skleer-uh-tuh-zey-shuh n, skler- ]
/ ˌsklɪər ə təˈzeɪ ʃən, ˌsklɛr- /

noun

the state of being sclerotized.

Origin of sclerotization

First recorded in 1955–60; sclerotiz(ed) + -ation