Gay-Lussac's law

noun

1

: a statement in chemistry and physics: when two or more gaseous substances combine to form a gaseous compound the volume of the product is either equal to the sum of the volumes of the factors or is less than and bears a simple ratio to this sum

called also law of combining volumes

compare avogadro's law

2

: charles' law

Word History

Etymology

after J. L. Gay-Lussac

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