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Meaning of pendulum

pen•du•lum

Pronunciation: (pen'ju-lum, pen'du-), [key]
— n.
  1. a body so suspended from a fixed point as to move to and fro by the action of gravity and acquired momentum.
  2. a swinging lever, weighted at the lower end, for regulating the speed of a clock mechanism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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