lignin Hear it!

lignin definition

lig·nin (lig′nin)

noun

an amorphous, cellulose-like, organic substance which acts as a binder for the cellulose fibers in wood and certain plants and adds strength and stiffness to the cell walls

Etymology: lign(i)- + -in

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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