blackbody radiation

American  

[blak-bahd-ee ray-dee-ay-shuhn] / ˈblækˌbɑd i ˌreɪ diˈeɪ ʃən /

noun

1. Physics. the electromagnetic radiation and spectrum of light emitted by an object, such as a toaster's heating element, according to its temperature, as described by Planck's radiation law.

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blackbody radiation Scientific  

1. The electromagnetic radiation that a perfect blackbody would give off at a given temperature. A warm blackbody would emit radiation with a higher average frequency than a cooler one.

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Example Sentences

Continuous spectra often have distributions that can be approximated as blackbody radiation at some appropriate temperature.

From Textbooks • Feb. 14, 2019

These continuous spectra can often be approximated by blackbody radiation curves at some appropriate temperature, such as those shown in Figure 6.10.

From Textbooks • Feb. 14, 2019

One of the well-known historical examples involves the discovery of the Planck spectrum of blackbody radiation, which could not have been explained by classical physics and which ushered in quantum mechanics.

From Scientific American • Aug. 28, 2018

The greenhouse effect can be explained easily if you understand the laws of blackbody radiation.

From Textbooks • Oct. 13, 2016

Frequency is the rate at which a vibration occurs that constitutes a wave, Planck discovered the concept of blackbody radiation.

From Scientific American • Oct. 14, 2013