sclerodermic

from Wiktionary, Creative Commons Attribution/Share-Alike License

• adj. Having the integument, or skin, hard or covered with hard plates.
• adj. Of or relating to the Sclerodermata.

from the GNU version of the Collaborative International Dictionary of English

• Having the integument, or skin, hard, or covered with hard plates.
• Of or pertaining to the Sclerodermata.

from The Century Dictionary and Cyclopedia

• Same as sclerodermatous, 1.
• In ichthyology, having a rough, hard skin, as a fish; of or pertaining to the Sclerodermi.