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Definition of "lignin" []

  • A complex polymer, the chief noncarbohydrate constituent of wood, that binds to cellulose fibers and hardens and strengthens the cell walls of plants. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "lignin" in a sentence
  • "Brown midrib corn (BMR) is lower in lignin content (about half of normal corn silage), and 6 to 8 percentage units higher in total plant digestibility."
  • "But NAT treats it with an enzyme that breaks down some of the rigid materials, known as "lignin," that cause linen to wrinkle."
  • "A solid component of woody biomass called lignin remains and is burned to provide energy for the process."