lignin definition

  • noun:
    • A complex polymer, the principle noncarbohydrate constituent of timber, that binds to cellulose fibers and hardens and strengthens the mobile wall space of plants.
    • A complex non-carbohydrate aromatic polymer contained in all wood.
    • A substance characterizing wood cells and differing from cellulose in its conduct with certain substance reagents.
    • An organic compound which forms the characteristic part of wood-cells, bast-cells, and all woody materials, making vast majority of fat of all dry timber.
    • a complex polymer; the chief constituent of timber apart from carbs; binds to cellulose materials to harden and improve mobile wall space of flowers

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