5 Verbs to Use for the Word epicycle

Reviewing the suggestions of the ancient Greeks, he was struck by the simplification that would be introduced by reviving the idea that the annual motion should be attributed to the earth itself instead of having a separate annual epicycle for each planet and for the sun.

This he called the evection, and introduced another epicycle to represent it.

The false paths the human race soon follows after any important progress has been made represent the epicycles in the Ptolemaic system; after passing through any one of them the planet is just where it was before it entered it.

But even he retained epicycles and excentrics, and could not explain the unequal orbits of planetary motion.

Epicycle: A point moving on the circumference of a circle whose centre describes another circle, traces an epicycle with reference to the centre of the second circle.

5 Verbs to Use for the Word  epicycle