Mariotte, Edme, a French physicist, born at Dijon; discoverer of the law named after him, that the volume of a gas is inversely as the pressure; called also Boyle's; it bears the name of Mariotte's law on the Continent, and Boyle's in England (1620‒1684).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Mario, Giuseppe * Marius, Caius