heat of sublimation

American

noun

Physics.

the heat absorbed by one gram or unit mass of a substance in the process of changing, at a constant temperature and pressure, from a solid to a gaseous state.

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heat of sublimation

It keeps heat of sublimation from reaching the interior unless the surface temperature is raised so high that the food spoils.

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023