vapour pressure

British  

noun

1. physics the pressure exerted by a vapour. The saturated vapour pressure is that exerted by a vapour in equilibrium with its solid or liquid phase at a particular temperature

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Example Sentences

One of the most important is a measure of how much moisture the atmosphere can extract from the land, known as the "vapour pressure deficit".

From BBC • Aug. 13, 2025

In contact with a solvent a metal is supposed to possess a definite solution pressure, analogous to the vapour pressure of a liquid.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" by Various

In general, when the substance to be distilled has a vapour pressure of only 10 mm. at 100� C., distillation with steam can be adopted, if the product can be subsequently separated from the water.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" by Various

The two forms, rhombic and monosymmetric, can exist in equilibrium at 95.6�, the transition point at which they have the same vapour pressure.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

If the vapours be sparingly soluble in the liquids there will exist a mixture having a greater vapour pressure than that of any other mixture.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" by Various