Associations to the word «Epicycle»
Noun
- Ptolemy
- Kepler
- Astronomy
- Astronomer
- Orbit
- Anomaly
- Planet
- Sphere
- Motion
- Cosmology
- Orb
- Circle
- Venus
- Radius
- Aristotle
- Mercury
- Inequality
- Hypothesis
- Moon
- Cycle
- Model
- Earth
- Universe
- Sun
- Theory
- Move
- Path
- Explanation
- Variation
- Mechanism
- Center
- Speed
- Device
- System
- Philosophy
- Heaven
- Showing
- Observation
- Account
- Movement
- Revolution
- Principle
- Body
- Direction
- Centre
- Distance
- Encyclopedia
- Respect
- Save
- Point
- Idea
- Turn
Adjective
Adverb
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
To use the same words is not a sufficient guarantee of
understanding; one must use the same words for the same
genus of inward experience; ultimately one must have one's
experiences in common.