perpetual motion

Frequency: 5.50.8 per million words

Refers to motion that continues indefinitely without an external energy source, a concept often explored in physics.

perpetualADJECTIVE + NOUN

Categories:

motion

Examples (10)

  • Scientists have long dreamed of achieving perpetual motion.
  • The concept of perpetual motion defies the laws of thermodynamics.
  • Many inventors have attempted to create a perpetual motion machine.
  • The search for perpetual motion has led to numerous fascinating but ultimately futile designs.
  • A machine that could achieve perpetual motion would solve many energy crises.
  • The idea of perpetual motion remains a theoretical impossibility.
  • His restless energy seemed like perpetual motion to his colleagues.
  • The children's constant activity made it seem like they were in perpetual motion.
  • Despite centuries of effort, perpetual motion has never been successfully demonstrated.
  • The debate over the possibility of perpetual motion continues in some circles.