Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A complex carbohydrate, (C6H10O5)n, that is composed of glucose units, forms the main constituent of the cell wall in most plants, and is important in the manufacture of numerous products, such as paper, textiles, pharmaceuticals, and explosives.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A complex carbohydrate that forms the main constituent of the cell wall in most plants and is important in the manufacture of numerous products, such as paper, textiles, pharmaceuticals, and explosives.
  • n. A polysaccharide containing many glucose units in parallel chains.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Consisting of, or containing, cells.
  • n. The substance which constitutes the essential part of the solid framework of plants, of ordinary wood, cotton, 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.

from The Century Dictionary and Cyclopedia

  • Containing cells.
  • n. In botany, the essential constituent of the primary wall-membrane of all cells, a secretion from the contained protoplasm, isomerous with starch in its composition, and allied to starch, sugar, and inulin.
  • Formed of cellulose.
  • n. A light material used as a packing in coffer-dam compartments of warships in the vicinity of the water-line. In the United States navy, cellulose from the husk of the cocoanut and that from the pith of cornstalks have been used for this purpose. See coffer-dam, 3.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a polysaccharide that is the chief constituent of all plant tissues and fibers

Etymologies

French, from cellule, biological cell; see cellule.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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