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lignin

[ lig-nin ]

noun

  1. Botany. an organic substance that, with cellulose, forms the chief part of woody tissue.
  2. Papermaking. impure matter found in wood pulp.


lignin

/ ˈɪɡɪ /

noun

  1. a complex polymer occurring in certain plant cell walls making the plant rigid
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

lignin

/ ĭĭ /

  1. A complex organic compound that binds to cellulose fibers and hardens and strengthens the cell walls of plants. Lignin is a polymer consisting of various aromatic alcohols, and is the chief noncarbohydrate constituent of wood.
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yvlog History and Origins

Origin of lignin1

First recorded in 1815–25; lign- + -in 2
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Example Sentences

Examples have not been reviewed.

In the long-term, scientists and public health experts hope to replace synthetic polymers — which are largely unregulated and can therefore contain dangerous chemicals — with biodegradable and regulated alternatives such as bioplastics like bio-polyethylene and lignin.

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He says it improves the ‘tannin and lignin extraction from the tea leaves,’ and I guess his family thought that was important.

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Microbiologists have long known that those animals capable of digesting lignin -- like termites -- host specialized, symbiotic colonies of microbes in their guts that do the work of breaking the lignin down for them.

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This new research explored the origin and evolution of the biochemical machinery that builds lignin, a structural component of plant cell walls with significant impacts on the clean energy industry.

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Furthermore, the molecularly evolved enzyme also exhibited conversion activity towards p-coumaric acid and sinapic acid, which are compounds obtained from the degradation of lignin -- a common agricultural waste product.

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