fibroin Hear it!

fibroin definition

fi·broin (fī′brō in)

noun

a pale-yellow, albuminoid protein forming almost the entire thread of a spider and the core of raw silk

Etymology: fibro- + -in

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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