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Stefan-Boltzmann law

American  
[stef-uhn bohlts-muhn, shte-fahn bawlts-mahn] / ˈstɛf ən ˈboʊlts mən, ˈʃtɛ fɑn ˈbɔlts mɑn /

noun

Physics.

  1. the law stating that the total energy radiated from a blackbody is proportional to the fourth power of its absolute temperature.

Etymology

Origin of Stefan-Boltzmann law

1895–1900; named after Josef Stefan (1835–93) and Ludwig E. Boltzmann (1844–1906), Austrian physicists, who independently formulated the law

Example Sentences

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The relationship between emitted energy flux and temperature is known as the Stefan-Boltzmann law: F = σT4.

From Textbooks • Oct. 13, 2016

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.