noun
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
• Syn: ↑heat of vaporisation
• Hypernyms: ↑latent heat, ↑heat of transformation
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: heat absorbed when a liquid vaporizes; specifically : the quantity of heat required at a specified temperature to convert unit mass of liquid into vapor
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Physics.
the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation. Cf. latent heat.
Useful english dictionary. 2012.