Definition of lignin
: an amorphous polymer related to cellulose that provides rigidity and together with cellulose forms the woody cell walls of plants and the cementing material between them
Recent Examples of lignin from the Web
The lignin, hemicellulose, and other polymers that give the wood structure break down to produce sweet, vanilla notes.
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First Known Use of lignin
Medical Definition of lignin
: an amorphous polymeric substance related to cellulose that together with cellulose forms the woody cell walls of plants and the cementing material between them
Learn More about lignin
Britannica.com: Encyclopedia article about lignin
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