equi·lib·ri·um /ˌikwəˈlɪbriəm, ˌɛkwə-/
  平衡,均衡,均勢
  equi·lib·ri·um /ˌɪkwəˈlɪbrɪəm, ˌɛkwə-/ 名詞
  平衡,飽和,長期平衡
  equilibrium
  均衡
  equilibrium
  準均衡
  equilibrium
  平衡
  E·qui·lib·ri·um n.; pl. E. Equilibriums L. Equilibria
  1. Equality of weight or force; an equipoise or a state of rest produced by the mutual counteraction of two or more forces.
  2. A level position; a just poise or balance in respect to an object, so that it remains firm; equipoise; as, to preserve the equilibrium of the body.
     Health consists in the equilibrium between those two powers.   --Arbuthnot.
  3. A balancing of the mind between motives or reasons, with consequent indecision and doubt.
  Equilibrium valve Steam Engine, a balanced valve. See under Valve.
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  equilibrium
       n 1: a chemical reaction and its reverse proceed at equal rates
            [syn: chemical equilibrium]
       2: a stable situation in which forces cancel one another [ant:
          disequilibrium]
       3: equality of distribution [syn: balance, equipoise, counterbalance]
       4: a sensory system located in structures of the inner ear that
          registers the orientation of the head [syn: labyrinthine
          sense, vestibular sense, sense of balance, sense of
          equilibrium]
       [also: equilibria (pl)]