| NOUN | shape | epicycloid | a line generated by a point on a circle rolling around another circle |
|---|
| Meaning | A line generated by a point on a circle rolling around another circle. | |
|---|---|---|
| Narrower | cardioid | An epicycloid in which the rolling circle equals the fixed circle |
| Broader | roulette, line roulette | A line generated by a point on one figure rolling around a second figure |
| Spanish | cicloide, epicicloide | |
| Catalan | cicloide, epicicloide | |
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