perpetual motion

noun

The motion of some hypothetical device that continues forever with no external input of energy, in violation of the laws of thermodynamics.

Meanings

nounperpetual motion (uncountable)
  1. uncountablenatural sciencesThe motion of some hypothetical device that continues forever with no external input of energy, in violation of the laws of thermodynamics.

Translations

Finnish ikuinen liike
  • ikuinen liikeTranslations
French mouvement perpétuel
  • mouvement perpétuelTranslations
Latin mōtus perpetuus
  • mōtus perpetuusTranslations
Polish wieczny ruch, nieustanny ruch
  • wieczny ruchTranslations
  • nieustanny ruchTranslations
Russian ве́чное движе́ние
  • ве́чное движе́ние (véčnoje dvižénije)Translations
Cite this entry
APA

perpetual motion. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/perpetual%20motion

MLA

“perpetual motion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/perpetual%20motion. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “perpetual motion,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/perpetual%20motion.

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