lignin

/ˈlɪgnən/
IPA guide

Other forms: lignins

Definitions of lignin
  1. noun
    a complex polymer; the chief constituent of wood other than carbohydrates; binds to cellulose fibers to harden and strengthen cell walls of plants
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    type of:
    polymer
    a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers
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