Gay-Lussac's law

noun Thermodynamics.

the principle that, for relatively low pressures, the density of an ideal gas at constant pressure varies inversely with the absolute temperature of the gas.
Also called Charles' law.
Compare Boyle's law.

Origin of Gay-Lussac's law

named after J. L. Gay-Lussac

British Dictionary definitions for gay-lussac's law

Gay-Lussac's law
/ (ˈɡeɪˈluːsæks) /

noun

the principle that gases react together in volumes (measured at the same temperature and pressure) that bear a simple ratio to each other and to the gaseous products
another name for Charles' law