critical isotherm

critical isotherm

[′krid·ə·kəl ′ī·sə‚thərm]
(thermodynamics)
A curve showing the relationship between the pressure and volume of a gas at its critical temperature.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
Especially for [epsilon] = [[epsilon].sub.c], the P - [r.sub.+] curves become a critical isotherm having an inflection point, and the second-order phase transition emerges.
Every isotherm in P - [r.sub.+] diagrams is a critical isotherm, and the dotted lines describe the position of all critical points.

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