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.' name='description'> Foucault's pendulum - definition and meaning
Foucault's pendulum love

Foucault's pendulum

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun 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.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From the French physicist Jean Bernard Léon Foucault

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