Archimedes' principle
noun
,
Physics.
1.
the law that a body immersed in a fluid is buoyed up by a force
(buoyant force)
equal to the weight of the fluid displaced by the body.
British Dictionary definitions for
Archimedes' principle
Archimedes' principle
noun
1.
a law of physics stating that the apparent upward force (buoyancy) of a body immersed in a fluid is equal to the weight of the displaced fluid