from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An unstable but potentially long-lived state of a system; for example, a supersaturated solution or an excited atom.
from The Century Dictionary and Cyclopedia
- n. The character of being metastable; specifically, in thermodynamics, equilibrium of the type, neither strictly stable nor unstable, possessed by a medium under certain conditions such as those which exist in the case of an under-cooled liquid.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. 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
meta- + stability (Wiktionary)