zero-point entropy

zero-point entropy

[′zir·ō ¦pȯint ′en·trə·pē]
(statistical mechanics)
The entropy that a substance such as glass, which is not in thermodynamic equilibrium, retains at a temperature of absolute zero.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.