Boltzmann constant


Boltz·​mann constant ˈbōlts-mən- How to pronounce Boltzmann constant (audio)
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


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

Dictionary Entries Near Boltzmann constant

Cite this Entry

“Boltzmann constant.” Dictionary, Merriam-Webster, Accessed 5 Dec. 2023.

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