[pol-ee-sak-uh-rahyd, -rid]
noun Chemistry.
a carbohydrate, as starch, inulin, or cellulose, containing more than three monosaccharide units per molecule, the units being attached to each other in the manner of acetals, and therefore capable of hydrolysis by acids or enzymes to monosaccharides.
Also, polysaccharose [pol-ee-sak-uh-rohs] .

1890–95; poly- + saccharide

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World English Dictionary
polysaccharide or polysaccharose (ˌpɒlɪˈsækəˌraɪd, -rɪd, ˌpɒlɪˈsækəˌrəʊz, -ˌrəʊs)
See also oligosaccharide any one of a class of carbohydrates whose molecules contain linked monosaccharide units: includes starch, inulin, and cellulose. General formula: (C6H10O5)n
polysaccharose or polysaccharose

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

polysaccharide pol·y·sac·cha·ride (pŏl'ē-sāk'ə-rīd') or pol·y·sac·cha·rid (-rĭd) or pol·y·sac·cha·rose (-rōs', -rōz')
Any of a class of carbohydrates, such as starch and cellulose, consisting of a number of monosaccharides joined by glycosidic bonds. Also called glycan.

The American Heritage® Stedman's Medical Dictionary
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American Heritage
Science Dictionary
polysaccharide  [%PREMIUM_LINK%]     (pŏl'ē-sāk'ə-rīd')  Pronunciation Key 
Any of a class of carbohydrates that are made of long chains of simple carbohydrates (called monosaccharides). Starch and cellulose are polysaccharides. Compare monosaccharide, oligosaccharide.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences for polysaccharide
Hemicellulose is a polysaccharide related to cellulose that comprises ca.
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