LIGNIN

lignin

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

Source: WordNet® 3.1

Etymology

Noun

lignin (usually uncountable, plural lignins)

(organic compound) A complex non-carbohydrate aromatic polymer present in all wood.

Anagrams

• lining

Source: Wiktionary

Lig"nin, n. Etym: [L. lignum wood: cf. F. lignine.] (Bot.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition