epicycle

Etymology
From, from , from +.

Noun

 * 1)  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.
 * , Folio Society, 2006, vol.1, p.155:
 * Is it not [Philosophie], thatteacheth miserie, famine and sicknesse to laugh? Not by reason of some imaginarie Epicicles, but by naturall and palpable reasons.
 * 1)  Any circle whose circumference rolls around that of another circle, thus creating a hypocycloid or epicycloid.
 * 2)  A ring of atoms joining parts of an already cyclic compound
 * 3)  An ad hoc complication added to a model to make it fit the known data

Translations

 * Bulgarian: епицикъл
 * Catalan: epicicle
 * Czech: epicykl
 * Danish: epicykel
 * Dutch: epicykels
 * Finnish: episykli
 * French:
 * German: Epizykel
 * Hebrew: אפיציקל
 * Icelandic: aukahringur, hjáhringur
 * Ido:
 * Italian:
 * Kabuverdianu: episiklu, epiciclo
 * Malayalam: അധിചക്രം
 * Manx: far-chiarkyl
 * Middle Persian: pal
 * Norwegian: episyklus
 * Persian: ,
 * Portuguese: epiciclo
 * Russian:
 * Slovak: epicyklus
 * Spanish: epiciclo
 * Swedish: epicykel


 * Finnish: episykli
 * Manx: far-chiarkyl


 * Swedish: