- Botany. an organic substance that, with cellulose, forms the chief part of woody tissue.
- Papermaking. impure matter found in wood pulp.
Origin of lignin
Examples from the Web for lignin
Historical Examples of lignin
Both occur in lignin, and are then undoubtedly indigestible.Researches on Cellulose
C. F. Cross
A powder of similar composition is produced by the action of powerful chemical reagents on sugar, lignin, &c.
Any number of things: Perhaps the Lignin in the nerve paths was poisonous.
Ligneous, or woody tissue (lignin) is indurated cellulose, hardened by age.The Stock-Feeder's Manual
Charles Alexander Cameron
Like tropical rains from a jungle roof, lignin dripped from the vaults, and in falling, burst into flames.
- a complex polymer occurring in certain plant cell walls making the plant rigid
Word Origin and History for lignin
- A complex organic compound that binds to cellulose fibers and hardens and strengthens the cell walls of plants. Lignin is a polymer consisting of various aromatic alcohols, and is the chief noncarbohydrate constituent of wood.