from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An insoluble protein that permeates the chitin in the cuticle of arthropods and becomes hardened and darkened by a natural tanning process.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the crosslinked protein component of the cuticles of insects
sclero- + -tin (as in keratin or chitin).(American Heritage® Dictionary of the English Language, Fourth Edition)