perpetual motion

Questions

What does perpetual motion mean?

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

How to pronounce perpetual motion

1. Open the pronunciation page — Open the Speakur entry for “perpetual motion”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “perpetual motion”.
4. Repeat and practice — Say “perpetual motion” aloud, matching stress and vowels until it feels natural.