Definition of Epicyclic in English :
Define Epicyclic in English
Epicyclic meaning in English
Meaning of Epicyclic in English
Pronunciation of Epicyclic in English
Epicyclic pronunciation in English
Pronounce Epicyclic in English
Epicyclic
see synonyms of epicyclicAdjective
WordNet Lexical Database for English. Princeton University. 2010.
Epicyclic
see synonyms of epicyclicnoun
1. astronomy
(in the Ptolemaic system) a small circle, around which a planet was thought to revolve, whose centre describes a larger circle (the deferent) centred on the earth
2.
a circle that rolls around the inside or outside of another circle, so generating an epicycloid or hypocycloid
Collins English Dictionary. Copyright © HarperCollins Publishers
Epicyclic
see synonyms of epicyclic noun
1.
a circle whose center moves along the circumference of another, larger circle
term used to describe planetary motions in the Ptolemaic system2. Geometry
a circle which generates a hypocycloid or epicycloid by rolling around the circumference of a fixed circle
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
Epicyclic
see synonyms of epicyclicn.
1. In Ptolemaic cosmology, a small circle, the center of which moves on the circumference of a larger circle at whose center is the earth and the circumference of which describes the orbit of one of the planets around the earth.
2. Mathematics A circle whose circumference rolls along the circumference of a fixed circle, thereby generating an epicycloid or a hypocycloid.
The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.