lignin

American  

[lig-nin] / ˈlɪg nɪn /

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 British  

/ ˈlɪɡnɪn /

noun

1. a complex polymer occurring in certain plant cell walls making the plant rigid

---

lignin Scientific  

/ lĭg′nĭn /

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.

---

Etymology

Origin of lignin

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

Example Sentences

Bamboo contains several types of dietary fiber, including cellulose, hemicellulose, and lignin.

From Science Daily

Over time, the balance of protein like, lignin like, and tannin like substances shifted depending on the type of plastic and the level of sunlight exposure.

From Science Daily

In this work, the team converted lignin into carbon fibers using electrospinning and thermal treatment.

From Science Daily

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.

From Salon

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

From Salon