Metastable meaning

mĕtə-stābəl
Of, relating to, or being an unstable but relatively long-lived state of a chemical or physical system, as of a supersaturated solution or an excited atom.
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Changing readily either to a more stable or less stable condition, as certain electrons; unstable.
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(physics, chemistry) Of or pertaining to a physical or chemical state that is relatively long-lived, but may decay to a lower energy state when slightly perturbed or through a quantum transition.
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Origin of metastable

  • meta- +"Ž stable

    From Wiktionary