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(Chemistry) the possibility for stable polymorphs to exist in different states on either side of a transition-point temperature
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
The transformation of one allotrope, or form, of a substance into another by a change in temperature. Such a change is reversible.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited