Emissivity Definition
ĕmĭ-sĭvĭ-tē
emissivities
noun
The relative ability of a surface to radiate energy as compared with that of an ideally black surface under the same conditions.
Webster's New World
The ratio of the radiation emitted by a surface to the radiation emitted by a blackbody at the same temperature.
American Heritage
Other Word Forms of Emissivity
Noun
Singular:
emissivity
Plural:
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