Ideal Gas Law Definition

noun

A physical law describing the relationship of the measurable properties of an ideal gas, where P (pressure) × V (volume) = n (number of moles) × R (the gas constant) × T (temperature in Kelvin). It is derived from a combination of the gas laws of Boyle, Charles, and Avogadro.

American Heritage

(physics) The equation of state of an ideal gas.

The ideal gas law can take the forms:depending on discipline and context.

Wiktionary