metastable
See also: métastable
English
Etymology
Adjective
metastable (not comparable)
- (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.
Translations
long-lived unstable state
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Noun
metastable (plural metastables)
- A particle, etc. in the metastable state.