reduction

A chemical process involving the gain of electrons, always accompanied by oxidation, the loss of electrons. It often involves the gain of hydrogen or the loss of oxygen by a compound.

Reduction or reducing may also refer to:

Reduction (mathematics), the process of manipulating a series of equations or matrices into a desired 'simpler' format Reduction (complexity), in computational complexity theory, the transformation of an instance of one problem into an instance of another Reduce is another name for the fold higher-order function Reduction (cooking), the process of thickening a liquid mixture such as a sauce by evaporation Reduction in chemistry is the reverse of oxidation, see redox. Reduction (philosophy), in philosophy, the process of explaining a particular concept or phenomenon in terms of more fundamental concepts or phenomena Reduction (linguistics), in linguistics, the shortening of the pronunciation of a word. Reduction, in physiology, another name for weight loss or dieting Reduction (orthopedic surgery), in orthopedic surgery, a medical procedure to restore a fracture to a correct alignment Reduction (town), a form of Catholic mission in South America in the 17th and 18th centuries Purchasing reduction, in economics and in waste management, is the process of decreasing the purchase of consumer goods Reduction (Sweden), in 1680 a return of lands to the Crown earlier granted to the nobility. Reduction property, in descriptive set theory, a pointclass allows partitioning the union of two sets in the pointclass into two disjoint sets in the same pointclass Reduce computer algebra system, a general-purpose computer algebra system geared towards applications in physics.