Archimedes' principle

noun
Ar·​chi·​me·​des' principle
variants: or less commonly Archimedes' Principle \ ˌär-​kə-​ˈmē-​(ˌ)dēz-​ˈprin(t)-​sə-​pəl , -​bəl \

Definition of Archimedes' principle

: a law of fluid mechanics: a body while wholly or partly immersed in a fluid apparently loses weight by an amount equal to that of the fluid displaced

First Known Use of Archimedes' principle

1859, in the meaning defined above

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