noun, plural: disaccharides

A sugar (carbohydrate) composed of two monosaccharides, thus yields two monosaccharide molecules on complete hydrolysis.


Examples are sucrose, lactose, maltose, trehalose, cellubiose.

Word origin: di- (two) + saccharide.

Also called: double sugar


See also: monosaccharide, polysaccharide

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