Foucault pendulum

noun
Fou·​cault pendulum | \ˌfü-ˈkō- \

Definition of Foucault pendulum 

: 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

First Known Use of Foucault pendulum

1931, in the meaning defined above

History and Etymology for Foucault pendulum

J. B. L. Foucault

Keep scrolling for more

Learn More about Foucault pendulum

Share Foucault pendulum

Dictionary Entries near Foucault pendulum

Foucauldian

Foucault

Foucault current

Foucault pendulum

foud

fouetté

fougade

Statistics for Foucault pendulum

Look-up Popularity

Time Traveler for Foucault pendulum

The first known use of Foucault pendulum was in 1931

See more words from the same year

Comments on Foucault pendulum

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

WORD OF THE DAY

playful or foolish behavior

Get Word of the Day daily email!

Test Your Vocabulary

Autumn Words of the Day 2018

  • a-top-down-image-of-road-through-an-autumn-forest
  • Which is a synonym of fugacious?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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