Ellipsoid

Noun

1. (mathematics) a surface, all of whose cross sections are elliptic or circular (includes the sphere)
2. (geography) Such a surface used as a model of the shape of the earth.Here the geoid is thirty meters below the ellipsoid.

Derived terms

• ellipsoid of revolution

Full definition of ellipsoid

Adjective

1. Shaped like an ellipse; elliptical.
2. (mathematics) Of or pertaining to an ellipse.
3. (botany) Having the tridimensional shape of an ellipse rotated on its long axis.

Derived terms

• ellipsoid geodesic
• ellipsoid method
• ellipsoid packing
• subellipsoid

Related terms

• globose
• globoid
• ovoid
• oblong