Boltzmann constant

noun

Boltz·mann constant ˈbōlts-mən-

-ˌmän-

variants or less commonly Boltzmann's constant

: the ideal gas constant per molecule being the ratio of the molar gas constant to the number of molecules of a substance in a gram molecule and having a value of exactly 1.380649 × 10⁻²³ joules per kelvin

Word History

Etymology

after Ludwig Boltzmann †1906 Austrian physicist

First Known Use

1914, in the meaning defined above

Time Traveler

The first known use of Boltzmann constant was in 1914

See more words from the same year

Cite this Entry

Style

“Boltzmann constant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Boltzmann%20constant. Accessed 26 Nov. 2024.

Copy Citation