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: L- L. La Lb Lc Ld Le Lf Lg Lh Li Lj Ll Lm Lo Lp Lr Ls Lt Lu Lv Lw Lx Ly
ligniferous | lignification | lignified | ligniform | lignify | lignin | ligniperdous | lignireose | lignite | lignitic | lignitiferous

lignin

 : 
Noun
 : 
lig=nin

CIDE DICTIONARY

ligninn. [L. lignum wood: cf. F. lignine.].
     A substance characterizing wood cells and differing from cellulose in its conduct with certain chemical reagents.  [1913 Webster]
    " Recent authors have distinguished four forms of this substance, naming them lignose, lignin, lignone, and lignireose."  [1913 Webster]

OXFORD DICTIONARY

lignin, n. Bot. a complex organic polymer deposited in the cell-walls of many plants making them rigid and woody.

Etymology
as LIGNI- + -IN

For further exploring for "lignin" in Webster Dictionary Online


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