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periodic motion

[peer-ee-od-ik, peer-] /ˈpɪər iˈɒd ɪk, ˌpɪər-/
noun, Physics.
1.
any motion that recurs in identical forms at equal intervals of time.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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per iodic motion in Science
periodic motion  
See harmonic motion.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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