Associations to the word «Epicycle»
Wiktionary
EPICYCLE, noun. (astronomy) A small circle whose centre is on the circumference of a larger circle; in Ptolemaic astronomy it was seen as the basis of revolution of the "seven planets", given a fixed central Earth.
EPICYCLE, noun. (mathematics) Any circle whose circumference rolls around that of another circle, thus creating a hypocycloid or epicycloid.
Dictionary definition
EPICYCLE, noun. A circle that rolls around (inside or outside) another circle; generates an epicycloid or hypocycloid.
Wise words
One merit of poetry few persons will deny: it says more and
in fewer words than prose.