Heat of Fusion

Definition

The heat of fusion is the amount of energy required to change a substance from a solid state to a liquid state at its melting point, without changing its temperature.

Related terms

Melting Point:

The temperature at which a substance changes from a solid to a liquid state.

Heat of Vaporization: The amount of energy required to change a substance from a liquid state to a gaseous state at its boiling point, without changing its temperature.

Specific Heat Capacity:

The amount of heat energy required to raise the temperature of one gram of substance by one degree Celsius.