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pendulum

pen·du·lum

pendulum

 
pronunciation:
pen j lm [or] pen d lm [or] pend y lm
features:
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part of speech: noun
definition: a weight hung on a long cord, wire, or lever so that it swings back and forth. Pendulums are used to control the movements of some clocks.
 
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The word pendulum contains the following part:
pend, pens Latin root that means hang; weigh; spend