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Pronunciation varies by accent · adjective
(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..
Use metastable when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Metastable means (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..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use metastable where its definition matches the intended context.
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