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pendulums
2 dictionary results for: Pendulums
American Heritage Dictionary - Cite This Source - Share This
pen·du·lum       (pěn'jə-ləm, pěn'dyə-, pěn'də-)  Pronunciation Key 
n.  
  1. A body suspended from a fixed support so that it swings freely back and forth under the influence of gravity, commonly used to regulate various devices, especially clocks. Also called simple pendulum.
  2. Something that swings back and forth from one course, opinion, or condition to another: the pendulum of public opinion.


[New Latin, probably from Italian pendolo, pendulous, pendulum, from Latin pendulus, hanging; see pendulous.]

The American Heritage Science Dictionary - Cite This Source - Share This
pendulum       (pěn'jə-ləm)  Pronunciation Key 
A mass hung from a fixed support so that it is able to swing freely under the influence of gravity. Since the motion of pendulums is regular and periodic, they are often used to regulate the action of various devices, especially clocks.

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