Definition of entropy noun from the Oxford Advanced Learner's Dictionary

     

    entropy

     noun
    noun
    BrE BrE//ˈentrəpi//
     
    ; NAmE NAmE//ˈentrəpi//
     
    [uncountable] Energy and physical forces
     
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  1. 1(specialist) a way of measuring the lack of order that exists in a system
  2. 2(physics) (symbol S) a measurement of the energy that is present in a system or process but is not available to do work See related entries: Energy and physical forces
  3. 3a complete lack of order In the business world, entropy rules.
  4. Word Origin mid 19th cent.: from en- ‘inside’ + Greek tropē ‘transformation’.
See the Oxford Advanced American Dictionary entry: entropy