វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Lignin
ENGLISH MEANING
noun
1.
A
substance
characterizing
wood
cells
and
differing
from
cellulose
in
its
conduct
with
certain
chemical
reagents
.