Eötvös experiment
[ uht-vuhsh, et-; Hungarian œt-vœsh ]
/ ˈʌt vʌʃ, ˈɛt-; Hungarian ˈœt vœʃ /
noun Physics.
an experiment to confirm that all materials respond equally to gravity and that gravitational mass and inertial mass are equivalent.
Compare
equivalence principle.
Origin of Eötvös experiment
named after Roland
Eötvös (1848–1919), Hungarian physicist, who first performed the experiment