In musical terminology, tempo (time in Italian; plural: tempi) is the speed or pace of a given piece. In classical music, tempo is usually indicated with an instruction at the start of a piece (often using conventional Italian terms). Tempo is usually measured in beats per minute (BPM).
Definition of polysaccharide. : a carbohydrate that can be decomposed by hydrolysis into two or more molecules of monosaccharides; especially : one (as cellulose, starch, or glycogen) containing many monosaccharide units and marked by complexity.
Polysaccharides are polymer carbohydrates made up of many monosaccharides or disaccharides. In simple terms, polysaccharides are complex sugar molecules made up of many blocks of simple sugar. The sugars are held together by the glycosidic bonds.