Definition of Epicyclical in English :
Define Epicyclical in English
Epicyclical meaning in English
Meaning of Epicyclical in English
Pronunciation of Epicyclical in English
Epicyclical pronunciation in English
Pronounce Epicyclical in English
Epicyclical
see synonyms of epicyclicalAdjective
WordNet Lexical Database for English. Princeton University. 2010.
Epicyclical
see synonyms of epicyclicalnoun
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
Epicyclical
see synonyms of epicyclical 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.