heat of fusion

Other forms: heats of fusion

Definitions of heat of fusion
  1. noun
    heat absorbed by a unit mass of a solid at its melting point in order to convert the solid into a liquid at the same temperature
    “the heat of fusion is equal to the heat of solidification”
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    type of:
    heat of transformation, latent heat
    heat absorbed or radiated during a change of phase at a constant temperature and pressure
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