The temperature of a gas or vapor in its critical state. Above this temperature, a gas cannot be liquefied by pressure alone.
- Replacing the water with alcohol and evaporating the alcohol above its critical temperature results in a silica aerogel, in which the original arrangement of silica particles is retained.
- Some authors use the term ‘fluids' for common gases and liquids; others restrict the noun ‘fluid’ to volatile substances at temperatures above their critical temperatures.
- At some critical temperatures, nuclear fusion will begin to occur.
For editors and proofreaders
Syllabification: crit·i·cal tem·per·a·ture
Definition of critical temperature in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.