What does epitrochoid mean?
Definitions for epitrochoid
epitro·choid
This dictionary definitions page includes all the possible meanings, example usage and translations of the word epitrochoid.
Wiktionary
epitrochoidnoun
A geometric curve traced by a fixed point on one circle which rotates around the perimeter of another circle. Examples include the shape of the Wankel engine
Webster Dictionary
Epitrochoidnoun
a kind of curve. See Epicycloid, any Trochoid
Etymology: [Pref. epi- + Gr. wheel + -oid.]
Wikidata
Epitrochoid
An epitrochoid is a roulette traced by a point attached to a circle of radius r rolling around the outside of a fixed circle of radius R, where the point is a distance d from the center of the exterior circle. The parametric equations for an epitrochoid are where is a parameter. Special cases include the limaçon with R = r and the epicycloid with d = r. The classic Spirograph toy traces out epitrochoid and hypotrochoid curves. The orbits of planets in the once popular geocentric Ptolemaic system are epitrochoids. The combustion chamber of the Wankel engine is an epitrochoid.
Numerology
Chaldean Numerology
The numerical value of epitrochoid in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of epitrochoid in Pythagorean Numerology is: 5
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"epitrochoid." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/epitrochoid>.
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