heat of vaporization

American  

noun

Physics.

1. the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation.

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heat of vaporization Scientific  

1. The amount of heat required to convert a liquid into a gas at constant temperature and pressure. A gas releases the same amount of heat when it becomes liquid.

2. Compare heat of fusion

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Example Sentences

Water also exhibits a high heat of vaporization, which is key to how organisms cool themselves by the evaporation of sweat.

From Textbooks • Jun. 9, 2022

Water’s hydrogen bonds also contribute to its high heat capacity and high heat of vaporization, resulting in greater temperature stability.

From Textbooks • Jun. 9, 2022

Third, the high heat of vaporization of water allows animals to cool themselves by sweating.

From Textbooks • Jun. 9, 2022

It would be expected, therefore, that the heat of vaporization would be greater than that of 9.8 kJ/mol for CO2.

From Textbooks • Feb. 14, 2019

The amount of heat required to effect the change from the liquid to the vaporous state, commonly called the latent heat of vaporization.

From Scientific American Supplement, No. 647, May 26, 1888 by Various