noun
EXAMPLES FROM CORPUS
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And you were accusing me of being a perpetual motion merchant.
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Earthquakes line the borders of the tectonic plates and are symptoms of the perpetual motion inside our planet.
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It was in perpetual motion up to and including the moment they all sat in each other's seats.
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The brash internet entrepreneurs of a year ago seemed to think they had discovered the financial equivalent of perpetual motion .
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The cyclical exchange of payments for factors of production and payments for final goods becomes a perpetual motion machine.
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Then, my dear Summerlee, it is that most wonderful of devices: a perpetual motion machine!
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This administration is a perpetual motion mess.
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Within the Boundless, which is in perpetual motion , worlds, including our world, come into being and pass away.