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[pol-ee-sak-uh-rahyd, -rid] /ˌpɒl iˈsæk əˌraɪd, -rɪd/
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] /ˌpɒl iˈsæk əˌroʊs/ (Show IPA)
Origin of polysaccharide
First recorded in 1890-95; poly- + saccharide Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for polysaccharide
Historical Examples
  • It is a constituent of sucrose, of raffinose, and of the polysaccharide inulin, from which it may be obtained by hydrolysis.

    The Chemistry of Plant Life Roscoe Wilfred Thatcher
British Dictionary definitions for polysaccharide


/ˌpɒlɪˈsækəˌraɪd; -rɪd/
any one of a class of carbohydrates whose molecules contain linked monosaccharide units: includes starch, inulin, and cellulose. General formula: (C6H10O5)n See also oligosaccharide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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polysaccharide in Medicine

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
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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polysaccharide in Science
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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