. "The chemical reactions and pathways resulting in the breakdown of oligosaccharides, molecules with between two and (about) 20 monosaccharide residues connected by glycosidic linkages." . . . "oligosaccharide catabolic process" . "oligosaccharide breakdown" . "oligosaccharide catabolism" . "oligosaccharide degradation" . . . . . . . . . . . .