epicyclic
/ˌɛpɪˈsaɪklɪk/
adjective
- Relating to or involving an epicycle (a small circle whose center moves around the circumference of a larger circle), especially in gear systems.
- The epicyclic arrangement allows the machine to change speed smoothly.
- The engineer explained the epicyclic motion of the planets in the old model of the solar system.
- This watch uses an epicyclic gear to keep accurate time.
Synonyms