saturated vapor

American  

noun

Thermodynamics.

1. a vapor whose temperature and pressure are such that any compression of its volume at constant temperature causes it to condense to liquid at a rate sufficient to maintain a constant pressure.

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Example Sentences

It is based on the principle that the pressure of any saturated vapor corresponds to its temperature.

From Scientific American Supplement, No. 458, October 11, 1884 by Various

Thus at 100 per cent humidity and 212 degrees Fahrenheit the space is saturated, and since the pressure of saturated vapor at this temperature is one atmosphere, no air can be present under these conditions.

From Seasoning of Wood by Wagner, J. B. (Joseph Bernard)