saccharide /ˈsæk.əˌɹaɪd/ noun1 •The unit structure of carbohydrates, of general formula CₙH₂ₙOₙ. Either the simple sugars or polymers such as starch and cellulose. The saccharides exist in either a ring or short chain conformation, and typically contain five or six carbon atoms.The saccharides include such substances as dextrose and levulose, which are typical examples of the two classes into which these bodies are divisible, viz. the Aldoses and Ketoses. — 1895 formssaccharides