Cellulose

Part of speech: noun (n.)

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. Goodale.

Part of speech: adjective (a.)

Consisting of, or containing, cells.