perpetual motion definition

  • noun:
    • The hypothetical continuous operation of an isolated mechanical product or other closed system without a sustaining power source.
    • The movement of some hypothetical unit that goes on permanently without any obvious feedback of power in infraction associated with the legislation of thermodynamics.
    • an incessant movement conceived is attainable by a device supplying its motive forces by themselves of any action from without. In line with the law of conservation of energy, these types of perpetual motion is impossible, with no device has actually however been built that is capable of perpetual movement.
    • motion that goes on indefinitely with no outside energy source; impossible used because of friction
  • adjective:
    • See under Motion.

Related Sources

  • Sentence for "perpetual motion"
    • Perpetual motion could be used to…
    • View More
  • Hypernym for "perpetual motion"
  • Form for "perpetual motion"
  • Urban Dictionary for "perpetual motion"
    • a very exhausting drill for sport…
    • View More
78 votes

How would you define perpetual motion?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!