met·a·sta·ble (m t  -st  bl)adj. Of, relating to, or being an unstable and transient but relatively long-lived state of a chemical or physical system, as of a supersaturated solution or an excited atom. met a·sta·bili·ty (-st-b l-t ) n. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | metastability - the quality of a physical system that persists in its existing equilibrium when undisturbed (or only slightly disturbed) but able to pass to a more stable equilibrium when sufficiently disturbed constancy, stability - the quality of being enduring and free from change or variation; "early mariners relied on the constancy of the trade winds" natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics" |
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