The end point (T_c, p_c) of a phase equilibrium curve above which the liquid and gas state of matter do not have a distinct boundary (see Fig. 1).
It is characterised by critical temperature T_c and critical pressure p_c.
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| Fig. 1. Schematic diagram with Critical Point. |
See also
Natural Science / Physics / Thermodynamics / Thermodynamic system / Real Gas
[ Сritical Temperature Tc ] [ Critical Pressure (pc) ]