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

     

    equilibrium

     noun
    noun
    BrE BrE//ˌiːkwɪˈlɪbriəm//
     
    ; NAmE NAmE//ˌiːkwɪˈlɪbriəm//
     
    ; BrE BrE//ˌekwɪˈlɪbriəm//
     
    ; NAmE NAmE//ˌekwɪˈlɪbriəm//
     
    [uncountable, singular] Economy
     
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  1. 1a state of balance, especially between opposing forces or influences The point at which the solid and the liquid are in equilibrium is called the freezing point. Any disturbance to the body's state of equilibrium can produce stress. We have achieved an equilibrium in the economy. See related entries: Economy
  2. 2a calm state of mind and a balance of emotions He sat down to try and recover his equilibrium.
  3. Word Origin early 17th cent. (in the sense ‘well-balanced state of mind’): from Latin aequilibrium, from aequi- ‘equal’+ libra ‘balance’.
See the Oxford Advanced American Dictionary entry: equilibrium