Noun
any of a variety of carbohydrates that yield two monosaccharide molecules on complete hydrolysis
Source: WordNetIf the functional group is present in bonding with another sugar unit, it is called a reducing disaccharide or biose. Source: Internet
The joining of two aldehyde sugars to form a disaccharide removes the −OH from the carboxy group at the aldehyde end of one sugar. Source: Internet
The minimal lipopolysaccharide required for growth in E. coli is Kdo 2 -Lipid A, a hexa-acylated disaccharide of glucosamine that is glycosylated with two 3-deoxy-D-manno-octulosonic acid (Kdo) residues. Source: Internet