Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun a pendulum on a long
wire ,free tomove in anydirection ; theplane of itsmotion appears toturn (clockwise in theNorthern Hemisphere ) as theworld turns beneath it.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From the French physicist Jean Bernard Léon Foucault
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