heat of fusion

American  

noun

Physics.

1. the heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature: equal to the heat of solidification.

---

heat of fusion Scientific  

1. The amount of heat required to convert a solid at its melting point into a liquid without an increase in temperature. Liquids release the same amount of heat when they solidify.

2. See also heat of vaporization

---

Example Sentences

See Examples For:

heat of fusion

How does the latent heat of fusion of water help slow the decrease of air temperatures, perhaps preventing temperatures from falling significantly below 0ºC , in the vicinity of large bodies of water?

From Textbooks ● Aug. 12, 2015

The value of E for nitro- glycerine was found to be 70.5 when calculated, according to Van't Hoff's formula, from the melting point and the latent heat of fusion of the substance.

From Nitro-Explosives: A Practical Treatise by P. Gerald (Percy Gerald) Sanford

When the handle of the machine is rapidly turned the wire glows, first with a red heat, then with a white heat, and finally with the heat of fusion.

From Fragments of science, V. 1-2 by John Tyndall

The number of units of heat required to melt a unit mass of ice is called the heat of fusion of water.

From General Science by Bertha M. Clark

Random Word

Spin the wheel and learn a new word!

---