Cel"lu*loid` (s&ebreve;l"&usl;*loid),
n. [Cellulose + -oid.] A
substance composed essentially of gun cotton and camphor, and
when pure resembling ivory in texture and color, but variously
colored to imitate coral, tortoise shell, amber, malachite, etc.
It is used in the manufacture of jewelry and many small articles,
as combs, brushes, collars, and cuffs; -- originally called
xylonite.
Cel"lu*lose` (s&ebreve;l"&usl;*lōs`),
a. Consisting of, or containing,
cells.
Cel"lu*lose`, n. (Chem.)
The substance which constitutes the essential part of the
solid framework of plants, of ordinary wood, linen, paper, etc.
It is also found to a slight extent in certain animals, as the
tunicates. It is a carbohydrate,
(C6H10O5)n, isomeric with
starch, and is convertible into starches and sugars by the action
of heat and acids. When pure, it is a white amorphous mass. See
Starch, Granulose, Lignin.
Unsized, well bleached linen paper is merely pure
cellulose.
Goodale.
Starch cellulose,
the delicate framework
which remains when the soluble part (granulose) of starch is
removed by saliva or pepsin.
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