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transition temperature

noun
1.
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.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for transition point

transition point

noun
1.
the point at which a transition of physical properties takes place, such as the point at which laminar flow changes to turbulent flow

transition temperature

noun
1.
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
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