noun
- A complex polymer; the chief constituent of wood other than carbohydrates; binds to cellulose fibers to harden and strengthen cell walls of plants. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Lignin. Retrieved September 22, 2026, from http://smartdefine.org/lignin/definitions/1248967 |
| Chicago | WordNet. 2010. "Lignin" http://smartdefine.org/lignin/definitions/1248967 (accessed September 22, 2026). |
| Harvard | WordNet 2010, Lignin, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/lignin/definitions/1248967>. |
| MLA | WordNet. "Lignin" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/lignin/definitions/1248967> |