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1. Oxford American Dictionary

   entropy

   • IPA[ˈentrəpē]

   美式

   • n.
     a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system；lack of order or predictability; gradual decline into disorder

   • noun: entropy, plural noun: entropies

2. • 釋義

   n.

   名詞

   • 1. a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system the second law of thermodynamics says that entropy always increases with time the sum of the entropies of all the bodies taking part in the process
   • 2. lack of order or predictability; gradual decline into disorder a marketplace where entropy reigns supreme
   • 3. (in information theory) a logarithmic measure of the rate of transfer of information in a particular message or language.
3. • 更多解釋

   entropy

   • IPA[ˈɛntrəpi]

   英式

   • n.
     a thermodynamic quantity representing the unavailability of a system's thermal energy for ... the second law of thermodynamics says that entropy always increases with time the sum of the entropies of all the bodies taking part in the process

   Oxford Dictionary