Foucault's pendulum
English
editEtymology
editFrom the name of the French physicist Jean Bernard Léon Foucault.
Noun
editFoucault's pendulum (plural Foucault's pendulums)
- A pendulum on a long wire, free to move in any direction; the plane of its motion appears to turn (clockwise in the Northern Hemisphere) as the world turns beneath it.
Translations
editpendulum free to move in any direction
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