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Entropy

system thermodynamics disorder

Entropy, in thermodynamics, the amount of disorder in a system. The second law of thermodynamics states that as any process goes on, the entropy of the system concerned either remains the same or rises. Disorder, in this sense, is mathematically defined as randomness. In everyday language, this means, roughly, that any physical system, left to itself, will tend to become increasingly chaotic.

See also: Thermodynamics.

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