polysaccharide[päl′i sak′ə rīd′]
any of a group of complex carbohydrates, as starch, that decompose by hydrolysis into a large number of monosaccharide units
Origin of polysaccharidepoly- + saccharide
also pol·y·sac·cha·rid or pol·y·sac·cha·rose
Any of a class of carbohydrates, such as starch and cellulose, consisting of a number of monosaccharides joined by glycosidic bonds.