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.
Etymology: Gk, sakcharon. any of several water-soluble simple carbohydrates. The principal categories of sugars are monosaccharides, disaccharides, and polysaccharides. A monosaccharide is a single sugar, such as glucose, fructose, or galactose. A disaccharide is a double sugar, such as sucrose (table sugar) or lactose.