Lignin

[lignin]

解釋/意思:

(noun.) a complex polymer; the chief constituent of wood other than carbohydrates; binds to cellulose fibers to harden and strengthen cell walls of plants.

錄入:内德--From WordNet

解釋/意思:

(n.) A substance characterizing wood cells and differing from cellulose in its conduct with certain chemical reagents.

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