a. | 1. | Consisting of, or containing, cells. | |||
n. | 1. | (Chem.) 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,
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Noun | 1. | cellulose - a polysaccharide that is the chief constituent of all plant tissues and fibers |