Foucault pendulum

play
noun Fou·cault pendulum \ˌfü-ˈkō-\

Definition of Foucault pendulum

  1. :  a freely swinging pendulum that consists of a heavy weight hung by a long wire and that swings in a constant direction which appears to change showing that the earth rotates

Origin and Etymology of foucault pendulum

J. B. L. Foucault


First Known Use: 1931


Learn More about foucault pendulum


Seen and Heard

What made you want to look up Foucault pendulum? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

capable of being altered or controlled

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!