critical temperature

noun Physics.
the temperature of a pure element or compound at a critical point.


Origin:
1865–70

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Collins
World English Dictionary
critical temperature
 
n
the temperature of a substance in its critical state. A gas can only be liquefied by pressure alone at temperatures below its critical temperature

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

critical temperature n.
The temperature above which a gas cannot be liquefied, regardless of the pressure applied.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
critical temperature  
  1. The temperature of a substance at its critical point.

  2. The temperature at which a material becomes a superconductor.

  3. The temperature at which a property of a material, such as its magnetism, changes.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Above the critical temperature, the net interaction between two electrons is repulsive.
And finally, these effects must switch on at a specific critical temperature.
The interesting effect occurs in the layer between them as they mix, which becomes entirely opaque at the critical temperature.
Above the critical temperature and pressure, a substance has only a single fluid phase.
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