Boltzmann constant

American  

Or Boltzmann's constant

noun

Physics.

1. the ratio of the universal gas constant to Avogadro's number, equal to 1.3803 × 10 −16 erg per degree C. k

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Boltzmann constant British  

noun

1.  k.  physics the ratio of the gas constant to the Avogadro constant, equal to 1.380 650 × 10 ^–23 joule per kelvin

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Etymology

Origin of Boltzmann constant

First recorded in 1905–10; after L. Boltzmann

Example Sentences

The four will be based on Planck's constant, the elementary charge, the Boltzmann constant and the Avogadro constant, respectively.

From Scientific American • Oct. 29, 2018