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Perpetual motion machine

Noun

Definitions

1.NounA hypothetical, pseudoscientific device that exhibits perpetual motion, especially one that does useful work with no input of energy.

Synonyms

perpetual motionbrownian ratchetsimple pendulumquantity of motionpermanent magnetaetherometrypseudomomentumpseudogravitymomentumpermanent wavegyromotionimpetus
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