spheroid
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Article
14 sectionsContents
- Equation
- Properties
- Circumference
- Area
- Volume
- Curvature
- Aspect ratio
- Occurrence and applications
- Oblate spheroids
- Prolate spheroids
- Dynamical properties
- See also
- References
- External links
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A spheroid, also known as an ellipsoid of revolution or rotational ellipsoid, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters. A spheroid has circular symmetry.