perpetual motion machines

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

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

noun
  1. pluralplural of perpetual motion machine
Cite this entry
APA

perpetual motion machines. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/perpetual%20motion%20machines

MLA

“perpetual motion machines.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/perpetual%20motion%20machines. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “perpetual motion machines,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/perpetual%20motion%20machines.

Source: perpetual motion machines on Wiktionary, CC BY-SA 4.0.