Boyle's law

WordReference Random House Unabridged Dictionary of American English © 2025

Boyle's′ law′, [Thermodynam.]

1. Thermodynamics the principle that, for relatively low pressures, the pressure of an ideal gas kept at constant temperature varies inversely with the volume of the gas. Also called Mariotte's law. Cf. Gay-Lussac's law.

• named after R. Boyle

Collins Concise English Dictionary © HarperCollins Publishers::

Boyle's law noun

1. the principle that the pressure of a gas varies inversely with its volume at constant temperature

Etymology: 18th Century: named after Robert Boyle