Assertion: ellipsoid | /r/HasProperty | quadric surface
Facets:
Source sentences:
text: An ellipsoid is a quadric surface; that is, a surface that may be defined as the zero set of a polynomial of degree two in three variables.
text: An ellipsoid is a quadric surface; that is, a surface that may be defined as the zero set of a polynomial of degree two in three variables.
text: A spheroid, or ellipsoid of revolution, 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.
text: An ellipsoid is a quadric surface described in canonical form by the equation ax2 + by2 + cz2 = 1.