Definition that contains ideal gas
- law of volumes (physics) the density of an ideal gas at constant pressure varies inversely with the temperature
- boyle's law the pressure of an ideal gas at constant temperature varies inversely with the volume
- mariotte's law the pressure of an ideal gas at constant temperature varies inversely with the volume
- charles's law (physics) the density of an ideal gas at constant pressure varies inversely with the temperature
- gay-lussac's law (physics) the density of an ideal gas at constant pressure varies inversely with the temperature
- boltzmann's constant constant used in the calculation of the ideal gas constant