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lightweight
lightwood
lign-
lignan
ligneous
ligni-
lignicole
lignify
lignin
lignite
ligno-
lignocaine
lignocellulose
lignum vitae
ligroin
ligula
ligule
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lignin
lig·nin [ lígnin ]


noun 
Definition:
 
complex polymer in plant cell walls: the complex polymer in plant cell walls that gives the plant rigidity and strength, and is the major component of wood
[Early 19th century. < Latin lignum (see ligni-)]
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