Meaning Of The Word Emissivity

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Emissivity Meaning

Emissivity Definition
Emissivity Definition

What's The Definition Of Emissivity?

emissivity in American English
the relative ability of a surface to radiate energy as compared with that of an ideally black surface under the same conditions
noun: the ability of a surface to emit radiant energy compared to that of a black body at the same temperature and with the same area

emissivity in British English
noun: a measure of the ability of a surface to radiate energy; the ratio of the radiant flux emitted per unit area to that emitted by a black body at the same temperature

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