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English - English (Wordnet) dictionary
perpetual motion
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Noun
motion that continues indefinitely without any external source of energy; impossible in practice because of friction
Related search result for
"perpetual motion"
Words contain
"perpetual motion"
:
perpetual motion
perpetual motion machine
Words contain
"perpetual motion"
in its definition in
English - English (Wordnet) dictionary:
perpetual
frictionless
unceasing
motion
spark
marx
motion-picture camera
hydrokinetic
academy award
oscar
more...
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"perpetual motion"
