Share this entry

Share this page

lignin

Syllabification: lig·nin
Pronunciation: /ˈliɡnin
 
/

Definition of lignin in English:

noun

Botany
A complex organic polymer deposited in the cell walls of many plants, making them rigid and woody.
Example sentences
  • Callose, lignin and suberin are polymers that can be elicited as plant defences that reinforce cell walls of some species.
  • The hypodermis of all three species has two distinct zones that contain suberin and lignin.
  • Impregnation of endodermal and hypodermal walls with suberin and lignin should reduce the diameter of interfibrillar spaces.

Origin

early 19th century: from ligni- 'of wood' + -in1.

Definition of lignin in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day peart
Pronunciation: pɪət
adjective
lively; cheerful