key term - Enthalpy of Fusion

Definition

The enthalpy of fusion is the amount of energy required to change a substance from solid to liquid at its melting point.

Related terms

Melting Point:

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

Heat of Solidification: The amount of energy released when a substance changes from liquid to solid at its freezing point.

Latent Heat:

The heat absorbed or released during a phase change without changing the temperature.