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WordReference Random House Unabridged Dictionary of American English © 2024en•tro•py (en′trə pē),USA pronunciation n. - Thermodynamics
- (on a macroscopic scale) a function of thermodynamic variables, as temperature, pressure, or composition, that is a measure of the energy that is not available for work during a thermodynamic process. A closed system evolves toward a state of maximum entropy.
- (in statistical mechanics) a measure of the randomness of the microscopic constituents of a thermodynamic system. Symbol: S
- Thermodynamics, Computing(in data transmission and information theory) a measure of the loss of information in a transmitted signal or message.
- Thermodynamics(in cosmology) a hypothetical tendency for the universe to attain a state of maximum homogeneity in which all matter is at a uniform temperature (heat death.)
- Thermodynamics, Philosophy, Sociologya doctrine of inevitable social decline and degeneration.
- German Entropie (1865); see en-2, -tropy
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