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microscopic reversibility[¦mī·krə¦skäp·ik ri‚vər·sə′bil·əd·ē]
A principle which requires that in a system at equilibrium any molecular process and its reverse take place at the same average rate. Also known as reversibility principle.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.