n :  a polysaccharide (C₆H₁₀O₅)_x of glucose units that constitutes the chief part of the cell walls of plants, occurs naturally in such fibrous products as cotton and kapok, and is the raw material of many manufactured goods (as paper, rayon, and cellophane) .
 
   
 
Similar sounding terms:  cel·lu·lase  xy·lu·lose 
 
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