1. 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 vaporization, heat of vaporisation]
WordNet (r) 3.0 (2006):
heat of vaporisation
n 1: 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 vaporization, heat of
vaporisation]