blackbody

noun
black·​body | \ˈblak-ˈbä-dē \

Definition of blackbody 

: an ideal body or surface that completely absorbs all radiant energy falling upon it with no reflection and that radiates at all frequencies with a spectral energy distribution dependent on its absolute temperature

Examples of blackbody in a Sentence

Recent Examples on the Web

Two of the assumptions used to obtain the rules of blackbody radiation provide loopholes. Chris Lee, Ars Technica, "Edge on cooling from nanostructure beats physical limit," 11 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blackbody.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of blackbody

1712, in the meaning defined above

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Last Updated

20 Nov 2018

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The first known use of blackbody was in 1712

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