Word.ws English Dictionary

perpetual motion machines

perpetual motion machines is the plural of perpetual motion machine.

Meaning of perpetual motion machine

Noun

perpetual motion machine (plural perpetual motion machines)

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

Questions about perpetual motion machines

What is perpetual motion machines the plural of?
Perpetual motion machines is the plural of perpetual motion machine.

Words near perpetual motion machines in the dictionary

  1. perpetual licenses
  2. perpetual motion
  3. perpetual motion machine
  4. perpetual motion machine of the first kind
  5. perpetual motion machine of the second kind
  6. perpetual motion machines
  7. perpetual motion machines of the first kind
  8. perpetual motion machines of the second kind
  9. perpetual pill
  10. perpetual pills
  11. perpetual revolution

Source and license

Adapted from Wiktionary: perpetual motion machines (page history and authors); perpetual motion machine (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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