Definition of vapour pressure in English:
The pressure of a vapour in contact with its liquid or solid form.
- At the temperature where the vapor pressure of the liquid is equal to the atmospheric pressure, the liquid is said to be at its normal boiling point.
- For a given external pressure, there is a temperature at which the vapor pressure of the liquid is equal to the external pressure.
- This is the temperature at which the vapor pressure of the liquid is the same as that of the atmosphere.
Definition of vapour pressure in:
- US English dictionary
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