Gay-Lussac's law

noun

, Thermodynamics.

1. 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.

Gay-Lussac's law

/ ˈɡeɪˈluːsæks /

noun

1. 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
2. another name for Charles' law

Word History and Origins

Origin of Gay-Lussac's law¹

Named after J. L. Gay-Lussac