perpetual motion machine
Appearance
English
[edit]Noun
[edit]perpetual motion machine (plural perpetual motion machines)
- (physics, pseudoscience) A hypothetical, pseudoscientific device that exhibits perpetual motion, especially one that does useful work with no input of energy.
Derived terms
[edit]Translations
[edit]hypothetical device
|
Further reading
[edit]- perpetual motion machine on Wikipedia.Wikipedia