Definition of equilibrium noun from the Oxford Advanced American Dictionary

     

    equilibrium

     noun
    noun
    NAmE//ˌikwəˈlɪbriəm//
     
    , NAmE//ˌɛkwəˈlɪbriəm//
     
    [uncountable, singular]
     
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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.
  2. 2a calm state of mind and a balance of emotions He sat down to try and recover his equilibrium.
See the Oxford Advanced Learner's Dictionary entry: equilibrium