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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The amount of heat required to convert a unit mass of a solid at its melting point into a liquid without an increase in temperature.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The amount of heat absorbed by unit mass of a material, at its melting point, that causes a phase transition from solid to liquid

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. heat absorbed by a unit mass of a solid at its melting point in order to convert the solid into a liquid at the same temperature


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