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

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

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 23 Dec. 2024.

Love words? Need even more definitions?

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