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lignin |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Lignin \Lig"nin\ (l[i^]g"n[i^]n), n. [L. lignum wood: cf F. lignine.] (Bot.) A substance characterizing wood cells and differing from cellulose in its conduct with certain chemical reagents. Note: Recent authors have distinguished four forms of this substance, naming them lignose, lignin, lignone, and lignireose. From WordNet r 1.6 [wn]: lignin n : a complex polymer; the chief non-carbohydrate constituent of wood; binds to cellulose fibers to harden and strengthen cell walls of plants
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