blackbody radiation


Definition of blackbody radiation

: the characteristic thermal radiation emitted by a blackbody when heated Instead, one gets a sort of averaged-out behavior called “blackbody radiation,” which has not much to do with the details of what a hot object is made of. The only relevant factor is the temperature.Boston Globe, 10 Mar. 2005

called also Planckian radiation

— compare planck radiation law

Note: The blackbody radiation is the theoretical maximum amount of radiation that a body can emit at a given temperature.

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First Known Use of blackbody radiation

1906, in the meaning defined above

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Cite this Entry

“Blackbody radiation.” Dictionary, Merriam-Webster, Accessed 28 Oct. 2020.

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