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Entropy   Listen
noun
Entropy  n.  (Thermodynamics) A certain property of a body, expressed as a measurable quantity, such that when there is no communication of heat the quantity remains constant, but when heat enters or leaves the body the quantity increases or diminishes. If a small amount, h, of heat enters the body when its temperature is t in the thermodynamic scale the entropy of the body is increased by h ÷ t. The entropy is regarded as measured from some standard temperature and pressure. Sometimes called the thermodynamic function. "The entropy of the universe tends towards a maximum."






Collaborative International Dictionary of English 0.48








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"Entropy" Quotes from Famous Books



... condition—in the reverse direction—exists with the transformations of energy. They also are not completely reversible, but tend in a definite direction, from higher- to lower-grade form—unavailable heat energy (the increase of entropy by the second law of thermodynamics). Thus in infinite time the universe should come to a standstill, in spite of the law of conservation of energy, by all energy becoming unavailable for further transformation—that ...
— A Book of Exposition • Homer Heath Nugent



Words linked to "Entropy" :   randomness, information measure, information, physical property, conformational entropy, thermodynamics, communications



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