gas law

noun

Definition of gas law

: any of several statements of physics and chemistry relating to the behavior of gases: such as
a : boyle's law
b : charles' law
c : a statement that the product of the pressure and volume of one mole of a gas equals the product of the gas constant by the absolute temperature (as expressed by the equation pv=RT)

called also ideal-gas law

— compare van der waals's equation

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