| 单词 | entropy |
| 释义 | entropy —entropic /en troh"pik, -trop"ik/, adj. —entropically, adv. /en"treuh pee/, n. 1. Thermodynam. a. (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. b. (in statistical mechanics) a measure of the randomness of the microscopic constituents of a thermodynamic system. Symbol: S 2. (in data transmission and information theory) a measure of the loss of information in a transmitted signal or message. 3. (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). 4. a doctrine of inevitable social decline and degeneration. [ < G Entropie (1865); see EN-2, -TROPY] |
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