The word cascade can have many meanings:

• In biochemistry, a cascade is a consecutive series of chemical reactions. There are several important biochemical cascade reactions in biochemistry, including the enzymatic cascades , like the coagulation cascade and the complement system, and the signal transduction cascades like the olfactory signal-transduction cascade .
• In physics, cascade is used for things like the quantum cascade laser , where a very powerful laser is created by letting electrons cascade down an energy staircase, emitting a photon at each step.
• The Cascade Range is a mountain range at the west coast of North America
• Cascade, Seychelles is also the name of a district in the Republic of Seychelles.
• The Seibel grape, Seibel 13053, is called Cascade.
• A juggling cascade is a juggling pattern.
• A cascade is small fall of water, usually as one of a series.
• The Cascade Brewery is a brewer in Hobart, Tasmania, Australia.
• In chemical engineering, a cascade is a plant consisting of several similar stages with each processing the output from the previous stage. Cascades are particularly used in isotope separation, distillation and other separation processes.