sclerotic

adj

1. Of or relating to the sclera of the eye.
2. Having or relating to sclerosis; hardened.

   “The outer wood exposed to the air may become carbonaceous due to the interaction of sclerotic mycelium and the wood.”

3. (figuratively)Hard and insular; resistant to change.

   “sclerotic bureaucracy”

   “Most state parties--Democrat or Republican--are sclerotic and dutiful, and little help to local candidates.”

   “His funeral ends the era of first generation leaders in post-colonial Asia, in fact in the world, with the exception of a few sclerotic kleptocrats mostly in Africa.”

4. Of or relating to sclerotium.

noun

1. Synonym of sclera.

   “In front, this membrane is continuous with the cornea by direct continuity of tissue; but the opaque sclerotic overlaps it rather more on the outer than upon its inner surface.”

   “An icteric discoloration of the sclerotic — a quite common symptom in xanthopia from arsenical poisoning — is very seldom observed.”