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

See Examples For:

blackbody radiation

A good approximation of a blackbody that can be used to observe blackbody radiation is a metal oven that can be heated to very high temperatures.

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

In the first he imagined a perfectly reflecting cylindrical cavity in which the two end disks—which served as heaters—were suddenly switched on, filling the cavity with ordinary heat, or in physicist lingo, blackbody radiation.

From Scientific American ● Aug. 24, 2015

Ideal radiators are therefore called blackbodies, and their EM radiation is called blackbody radiation.

From Textbooks ● Aug. 12, 2015