Torus
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In geometry, a torus (pl. tori) is a surface of revolution generated by revolving a circle in three dimensional space about an axis coplanar with the circle. If the axis of revolution does not touch the circle, the surface has a ring shape and is called a ring torus or simply torus if the ring shape is implicit.
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See also
- Algebraic torus
- Annulus (mathematics)
- Clifford torus
- Complex torus
- Dupin cyclide
- Elliptic curve
- Irrational cable on a torus
- Joint European Torus
- Loewner's torus inequality
- Maximal torus
- Period lattice
- Sphere
- Spiric section
- Surface
- Toric section
- Toric variety
- Toroid (geometry)
- Torus knot
- Umbilic torus
- Villarceau circles
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