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
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Recent Examples of lignin from the Web
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The lignin, hemicellulose, and other polymers that give the wood structure break down to produce sweet, vanilla notes.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lignin'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of lignin
1822
Medical Dictionary
lignin
playMedical 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
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Britannica.com: Encyclopedia article about lignin
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