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heat of vaporization

noun, Physics.
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.
Compare latent heat. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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heat-of-vaporization in Science
heat of vaporization  
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. Compare heat of fusion.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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