What is the meaning of Ellipsoid?
A surface, all of whose cross sections are elliptic or circular (including the sphere), that generalises the ellipse and in Cartesian coordinates (x, y, z) is a quadric with equation x/a + y/b + z/c = 1.
Such a surface used as a model of the shape of the earth.
Shaped like an ellipse; elliptical.
Of or pertaining to an ellipse; elliptic.
Having the tridimensional shape of an ellipse rotated on its long axis.
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