| equilibrium [´ē·kwǝ`lib·rē·ǝm] CHEMISTRY See <<chemical equilibrium>> MECHANICS Condition in which a particle, or all the constituent particles of a body, are at rest or in unaccelerated motion in an inertial reference frame. Also known as static equilibrium. PHYSICS Condition in which no change occurs in the state of a system as long as its surroundings are unaltered. STATISTICAL MECHANICS Condition in which the distribution function of a system is time-independent. |