Definition of polysaccharide in English:


Pronunciation /ˌpälēˈsakərīd/ /ˌpɑliˈsækəraɪd/


  • A carbohydrate (e.g. starch, cellulose, or glycogen) whose molecules consist of a number of sugar molecules bonded together.

    ‘All carbohydrates can be classified as either monosaccharides, oligosaccharides or polysaccharides.’
    • ‘Simple sugars called polysaccharides and amino acids like methionine and perhaps tannins are probably what they are after by eating the trees.’
    • ‘The primary categories for natural polymers include polysaccharides, proteins, nucleic acids, and polyisoprenes.’
    • ‘Cellulose is a carbohydrate of the polysaccharide type; its molecules consist of long chains of simple sugar molecules.’
    • ‘Mucilage, consisting of polysaccharides containing hexose and pentose sugars and uronic acids, is secreted by root cells as the root grows through the soil.’