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Definition of Metastable
1. Adjective. (of physical systems) continuing in its present state of equilibrium unless sufficiently disturbed to pass to a more stable state of equilibrium.
Definition of Metastable
1. Adjective. (context: 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. ¹
¹ Source: wiktionary.com
Definition of Metastable
1. [adj]
Medical Definition of Metastable
1. 1. Of uncertain stability; in a condition to pass into another phase when slightly disturbed; e.g., water, when cooled below the freezing point may remain liquid but will at once congeal if a piece of ice is added. 2. Denoting the excited condition of the nucleus of a radionuclide isomer that reaches a lower energy state by the process of isomeric transition decay without changing its atomic number or weight; e.g., 99m99mTc → 9999Tc + g. Origin: meta-+ L. Stabilis, stable (05 Mar 2000)
Lexicographical Neighbors of Metastable
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