Boltzmann noun. ['bǝʊltsmǝn] L19.
[Ludwig Boltzmann (1844-1906), Austrian physicist.]
Physics. Used attrib. and in possess. to designate various concepts, esp. relating to the statistical description of large systems of molecules obeying classical mechanics.
Boltzmann constant: see Boltzmann's constant below. Boltzmann distribution (a formula describing) the statistical distribution of particles in a system among different energy levels, proportional to exp.(E/kT), where E is the level energy, k is Boltzmann's constant, and T is the absolute temperature. Boltzmann's constant, Boltzmann constant the gas constant per molecule, equal to 1.381 10²³ joule per kelvin. STEFAN-BOLTZMANN.

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