noun
(physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole
• Syn: ↑gas constant, ↑R
• Topics: ↑physics, ↑natural philosophy
• Hypernyms: ↑constant
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Physics.
a constant, 8.314 joules per degree Kelvin, equal to the product of the pressure and the volume of one gram molecule of an ideal gas divided by the absolute temperature. Symbol: R Also called gas constant. Cf. Boltzmann constant.
Useful english dictionary. 2012.