Noun: heat of vaporization
- Heat absorbed by a unit mass of a material at its boiling point in order to convert the material into a gas at the same temperature
"The high heat of vaporization of water contributes to its effectiveness as a cooling agent";
- heat of vaporisation [Brit]
Derived forms: heats of vaporization
Type of: heat of transformation, latent heat
Encyclopedia: Heat of vaporization