Rayleigh-Jeans law

noun

-ˈjēnz-
usually capitalized R&J
: an approximation in respect to thermal radiation: the emissive power of a blackbody at absolute temperature T and at a given wavelength λ is directly proportional to T and inversely proportional to λ4 compare planck radiation law

Word History

Etymology

after Baron J. W. S. Rayleigh and Sir James Hapwood Jeans †1946 English physicist

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near Rayleigh-Jeans law

Cite this Entry

“Rayleigh-Jeans law.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rayleigh-Jeans%20law. Accessed 13 Jul. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!