epicyclical

• Relatif à un épicycle ; utilisé en astronomie ptolémaïque pour décrire une petite circonférence dont le centre se déplace sur une plus grande circonférence.

Relating to an epicycle; used in obsolete Ptolemaic astronomy to describe a small circle whose center moves around the circumference of a larger circle.

1. Relating to an epicycleC2formal

   Pertaining to a small circle whose center moves along the circumference of a larger circle, used in ancient astronomy to explain planetary motion.

   Épicyclique (relatif à l'épicycle)

   • The Ptolemaic model relied on epicyclical paths to describe planetary orbits.
   • Epicyclical motion was a key concept in pre-Copernican astronomy.
   • The mathematician explained the epicyclical theory of the solar system.

   Synonymesepicyclic