Subcooled liquid
If the temperature of the liquid is lower than the saturation temperature for the existing pressure, it is called either a subcooled liquid (implying that the temperature is lower than the saturation temperature for the given pressure) or a compressed liquid (implying that the pressure is greater than the saturation pressure for the given temperature). Both terms have the same meaning, so either term may be used (the subcooled term appears to be more popular).
Compressed liquid properties are relatively independent of pressure. As such, it is usually acceptable to treat compressed liquid as saturated liquid at the given temperature.
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