- The condition of being evenly balanced; a state of repose between two or more antagonistic forces that exactly counteract each other.
- In chemistry, a state of apparent repose created by two reactions proceeding in opposite directions at equal speed; in chemical equations, sometimes indicated by two opposing arrows (?) instead of the equal sign.
Synonym(s): dynamic equilibrium
[L. aequilibrium, a horizontal position, fr. aequus, equal, + libra, a balance]
See Also: equilibrium constant
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Examples: glitazone, GI cocktail, etc.