critical temperature

[ krit-i-kuhl tem-per-uh-cher, tem-pruh‐ ]
/ ˈkrɪt ɪ kəl ˈtɛm pər ə tʃər, ˈtɛm prə‐ /

noun Physics.

the temperature of a pure element or compound at a critical point: Above the critical temperature, no liquid can form, no matter how great the pressure of the gas is.



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Origin of critical temperature

First recorded in 1865–70 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for critical temperature

critical temperature


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 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for critical temperature

critical temperature


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.

Scientific definitions for critical temperature

critical temperature

The temperature of a substance at its critical point.
The temperature at which a material becomes a superconductor.
The temperature at which a property of a material, such as its magnetism, changes.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.