Henry's law Syllabification: (Hen·ry's law) ChemistryDefinition of Henry's law a law stating that the mass of a dissolved gas in a given volume of solvent at equilibrium is proportional to the partial pressure of the gas. Origin: late 19th century: named after William Henry (1774–1836), English chemistHenry's law in other Oxford dictionaries Definition of Henry's law in the British & World English dictionary
