epicycle Definition
a small circle whose center moves around the circumference of a larger one.
Using epicycle: Examples
Take a moment to familiarize yourself with how "epicycle" can be used in various situations through the following examples!
Example
The Ptolemaic system of astronomy used epicycles to explain the observed motions of the planets.
Example
In the Copernican model, the planets move in circular orbits around the sun without the need for epicycles.
Example
The epicyclic gear train is used in many mechanical devices.
epicycle Synonyms and Antonyms
Phrases with epicycle
deferent and epicycle
a model of planetary motion in which each planet moves on a small circle whose center moves around a larger circle
Example
The deferent and epicycle model was used by ancient astronomers to explain the observed movements of the planets.
Example
The epicyclic gearbox is commonly used in automobiles and other machinery.
Example
The epicyclic frequency is an important parameter in the study of celestial mechanics.
Origins of epicycle
from Greek 'epi' meaning 'on' and 'kyklos' meaning 'circle'
Summary: epicycle in Brief
'Epicycle' [ˈɛpɪsʌɪk(ə)l] refers to a small circle whose center moves around the circumference of a larger one. It is used in various fields such as astronomy and mechanical engineering, as exemplified by 'The Ptolemaic system of astronomy used epicycles to explain the observed motions of the planets.' 'Epicycle' extends into phrases like 'deferent and epicycle,' denoting a model of planetary motion, and 'epicyclic gearbox,' referring to a type of gearbox that uses epicyclic gears.
