Physics. a temperature at which a substance undergoes some abrupt change in its properties, as when it passes from the normal to the superconducting state.
Also called transition point.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for transition point (1 of 2)
the point at which a transition of physical properties takes place, such as the point at which laminar flow changes to turbulent flow
British Dictionary definitions for transition point (2 of 2)
the temperature at which a sudden change of physical properties occurs, such as a change of phase or crystalline structure, or at which a substance becomes superconducting
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012