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Related to lignin: hemicellulose
A complex polymer, the chief noncarbohydrate constituent of wood, that binds to cellulose fibers and hardens and strengthens the cell walls of plants.
(Biochemistry) a complex polymer occurring in certain plant cell walls making the plant rigid
an organic substance that, with cellulose, forms the chief part of woody tissue.
[1815–25; < Latin lign(um) wood + -in1]
A complex organic compound that binds to cellulose fibers and hardens and strengthens the cell walls of plants. It is the chief noncarbohydrate constituent of wood.
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|Noun||1.||lignin - a complex polymer; the chief constituent of wood other than carbohydrates; binds to cellulose fibers to harden and strengthen cell walls of plants|
polymer - a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers
wood - the hard fibrous lignified substance under the bark of trees