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In geometry, an epitrochoid (/ɛpɪˈtrɒkɔɪd/ or /ɛpɪˈtroʊkɔɪd/) 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 at a distance d from the center of the exterior circle.
Overview, Related Topics & Entities
Explore the main themes, entities and connections around Epitrochoid. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
center circle special curves point around exterior polar angle displaystyle epicycloid spirograph hypotrochoid paths geocentric orbit geometry roulette radius limaçon
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Epitrochoid | related to External links | Eric | 0.60 | section |
| Epitrochoid | related to External links | MathWorld | 0.60 | section |
| Epitrochoid | related to External links | Visual Dictionary | 0.60 | section |
| Epitrochoid | related to External links | Special Plane Curves | 0.60 | section |
| Epitrochoid | related to External links | Xah Lee | 0.60 | section |
| Epitrochoid | related to External links | O'Connor | 0.60 | section |
| Epitrochoid | related to External links | John | 0.60 | section |
| Epitrochoid | related to External links | Robertson | 0.60 | section |
| Epitrochoid | related to External links | Edmund | 0.60 | section |
| Epitrochoid | related to External links | MacTutor History | 0.60 | section |
| Epitrochoid | related to External links | Mathematics Archive | 0.60 | section |
| Epitrochoid | related to External links | University | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.