Boltzmann’s constant

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• Boltzmann's constant — noun Chemistry the ratio of the gas constant to Avogadro s constant, equal to 1.381 × 10 23 joules per kelvin. Origin named after the Austrian physicist L. Boltzmann …   English new terms dictionary

• Boltzmann's constant — /ˌbɒltsmənz ˈkɒnstənt/ (say .boltsmuhnz konstuhnt) noun Physics a fundamental constant equal to the ratio of the gas constant to Avogadro s number or 1.380658 × 10 23 joule per kelvin. Symbol: k {named after Ludwig Boltzmann, 1844–1906, Austrian… …  

• Boltzmann's constant — noun constant used in the calculation of the ideal gas constant • Hypernyms: ↑constant …   Useful english dictionary

• Boltzmann constant — [bōlts′mən; ] Ger [ bō̂ltz′män΄] n. [after Ludwig Boltzmann (1844 1906), Austrian physicist] Physics a constant used in equations involving ideal gases, equal to 1.380658 × 10 23 joules per kelvin: symbol, k: also called Boltzmann s constant …   English World dictionary

• Boltzmann constant — For the constant pertaining to energy of black body radiation see Stefan–Boltzmann constant Values of k[1] Units 1.3806488(13)×10−23 J K−1 8.617332 …   Wikipedia

• Boltzmann constant — Physics. the ratio of the universal gas constant to Avogadro s number, equal to 1.3803 × 10 16 erg per degree C. Symbol: k Also, Boltzmann s constant. [1905 10; after L. BOLTZMANN] * * * Ratio of the universal gas constant (see gas laws) to… …   Universalium

• Boltzmann constant — Physics. the ratio of the universal gas constant to Avogadro s number, equal to 1.3803 × 10 16 erg per degree C. Symbol: k Also, Boltzmann s constant. [1905 10; after L. BOLTZMANN] * * * Boltzmann constant /bōltsˈmən konˈstənt/ (physics) noun The …   Useful english dictionary

• Boltzmann , Ludwig Edward — (1844–1906) Austrian theoretical physicist Boltzmann studied at the university in his native city of Vienna, where he received his doctorate in 1866. He held professorships in physics or mathematics at Graz (1869–73; 1876–79), Vienna (1873–76;… …   Scientists

• Boltzmann-Konstante — Die Boltzmann Konstante (Formelzeichen oder ) ist eine Naturkonstante, die in den Grundgleichungen der statistischen Mechanik eine zentrale Rolle spielt. Sie wurde von Max Planck eingeführt und nach dem österreichischen Physiker Ludwig Boltzmann …   Deutsch Wikipedia

• Boltzmann's entropy formula — In statistical thermodynamics, Boltzmann s equation is a probability equation relating the entropy S of an ideal gas to the quantity W , which is the number of microstates corresponding to a given macrostate::S = k log W ! (1)where k is Boltzmann …   Wikipedia

• Boltzmann factor — In physics, the Boltzmann factor is a weighting factor that determines the relative probability of a state i in a multi state system in thermodynamic equilibrium at temperature T.:e^{ frac{E i}{k B,TWhere k B is Boltzmann s constant, and E i is… …   Wikipedia