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Webster's New World College Dictionary » Foucault pendulum
Foucault pendulum
Foucault pendulum definition
Foucault pendulum
a pendulum consisting of a heavy weight on the end of a long wire hanging from a fixed point, of the kind invented by Jean Foucault to show that the earth is rotating: the pattern of the pendulum's swinging appears to be rotating to an observer
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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