Archimedes' principle

noun

Ar·​chi·​me·​des' principle

variants or less commonly Archimedes' Principle

ˌär-kə-ˈmē-(ˌ)dēz-ˈprin(t)-sə-pəl,

-bəl

: 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

Word History

First Known Use

1859, in the meaning defined above

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Kids Definition

Archimedes' principle

noun

Ar·​chi·​me·​des' principle

ˌär-kə-ˈmēd-ēz-

: a law of fluid mechanics: a body in a fluid is lifted up with a force equal to the weight of the fluid whose place was taken by the body