Meaning of equilibrium

e•qui•lib•ri•um

Pronunciation: (ē"kwu-lib'rē-um, ek"wu-), [key]
— pl. -ri•ums, -ri•a
  1. a state of rest or balance due to the equal action of opposing forces.
  2. equal balance between any powers, influences, etc.; equality of effect.
  3. mental or emotional balance; equanimity: The pressures of the situation caused her to lose her equilibrium.
  4. the condition existing when a chemical reaction and its reverse reaction proceed at equal rates.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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