sclerotized

[skleer-uh-tahyzd, skler-]
adjective
  1. (especially of the cuticle of an arthropod) hardened by the presence of substances other than chitin, as by scleroproteins, waxes, or calcium salts.
  2. Pathology. sclerosed.

Origin of sclerotized

First recorded in 1960–65; sclerot(ic) + -ize + -ed2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018