Meanings
- pluralplural of perpetual motion machine of the first kind
Cite this entry
perpetual motion machines of the first kind. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/perpetual%20motion%20machines%20of%20the%20first%20kind
“perpetual motion machines of the first kind.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/perpetual%20motion%20machines%20of%20the%20first%20kind. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “perpetual motion machines of the first kind,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/perpetual%20motion%20machines%20of%20the%20first%20kind.
Source: perpetual motion machines of the first kind on Wiktionary, CC BY-SA 4.0.