sclerotized

adjective

scler·​o·​tized ˈskler-ə-ˌtīzd 

: hardened especially by the formation of sclerotin

sclerotized insect cuticle

sclerotization

ˌskler-e-tə-ˈzā-shən 

noun

Word History

Etymology

sclerot(ic) entry 1 + -ize + -ed entry 1

First Known Use

circa 1890, in the meaning defined above