CELLULOID n.
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; -- originaly called xyl…
CELLULOSE n.
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)…
CHALK n.
on. Black chalk, a mineral of a bluish color, of a slaty texture, and soiling the fingers when handled; a variety of argillaceous slate. -- By a long chalk, by a long way; by many degrees. [Slang] Lowell. -- Chalk drawing (Fine Arts), a drawing made with crayons. See Crayon. -- Chalk formation. See Cretaceous format…