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  1. Oxford Dictionary

    metastable

    • IPA[ˌmɛtəˈsteɪbl]

    英式

    • adj.
      (of a state of equilibrium) stable provided it is subjected to no more than small disturbances；(of a substance or particle) theoretically unstable but so long-lived as to be stable for practical purposes
    • 釋義

    形容詞

    • 1. (of a state of equilibrium) stable provided it is subjected to no more than small disturbances the amount of supercooling a liquid can accept while remaining in metastable equilibrium is limited
    • ▪ (of a substance or particle) theoretically unstable but so long-lived as to be stable for practical purposes the occurrence of metastable olivine and deep earthquakes in subducting lithosphere
    • 更多解釋

    metastable

    • IPA[ˈmedəˌstāb(ə)l]

    美式

    • adj.
      (of a state of equilibrium) stable provided it is subjected to no more than small disturbances: the amount of supercooling a liquid can accept while remaining in metastable equilibrium is limited

    Oxford American Dictionary