polysaccharide

A polymer composed of multiple units of monosaccharide (simple sugar).

A linear or branched polymer (e.g. starch, cellulose, etc.) composed of covalently linked monosaccharides, including cellulose, pectin and starch. Synonym: carbohydrate.

(PAH-lee-SA-kuh-ride) A large carbohydrate molecule. It contains many small sugar molecules that are joined chemically. Also called glycan.

A long-chain carbohydrate containing at least three molecules of simple anhydrous sugars linked together. Examples include cellulose and starch.