An oligosaccharide is a polymer
of between 2 and 20 monosaccharides. These are differentiated from polysaccharide
s by their large, but limited nature, being medium-sized carbohydrate
s. Oligosaccharides are formed through glycosidic bond
s by hydrolysis
of several monosaccharide
s. The simplest form of an oligosaccharide is called a disaccharide
A quick example of an oligosaccharide (and a disaccharide) is sucrose, aka table sugar.