Gay-Lussac's law

American  

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.

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Gay-Lussac's law British  

/ 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

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Etymology

Origin of Gay-Lussac's law

Named after J. L. Gay-Lussac

Example Sentences

Because of this, the P-T relationship for gases is known as either Amontons’s law or Gay-Lussac’s law.

From Textbooks • Feb. 14, 2019

The Ideal Gas Law and Gay-Lussac’s law are among those that explain how much the air pressure inside something like a football decreases with colder temperatures and increases with warmer ones.

From New York Times • Sep. 21, 2016

Absolute Zero.—According to Gay-Lussac's law, the volume of a gas diminishes by 1 / 273 of its volume at 0� C. for each degree fall of temperature.

From The Mechanism of Life by Leduc, Stéphane

The true explanation of Gay-Lussac's law of combination by volumes was thought out almost immediately by an Italian savant, Amadeo, Avogadro, and expressed in terms of the atomic theory.

From A History of Science — Volume 4 by Williams, Henry Smith