Reduction is the process of lowering, degrading, or diminishing.

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
• 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 phenomenon in terms of more fundamental concepts
• Reduction (linguistics), in linguistics, the shortening of the pronunciation of a word. e.g. wanna, lemme, gimme.
• 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
• Purchasing reduction, in economics and in waste management, is the process of decreasing the purchase of consumer goods
• 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.
• Reduction, in Military Engineering, is the process of breaking down a fortification until it no longer offers a military threat.
• Reduction, in pottery, the process of limiting the amount of oxygen available to support combustion in a kiln, thereby changing the appearance of the glazes on the finished ware

Mathematical disambiguation

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