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  1. Ellipsoid - Wikipedia

    An ellipsoid is a surface that can be obtained from a sphere by deforming it by means of directional scalings, or more generally, of an affine transformation. An ellipsoid is a quadric …

  2. Ellipsoid | Surfaces, Axes, Foci | Britannica

    Ellipsoid, closed surface of which all plane cross sections are either ellipses or circles. An ellipsoid is symmetrical about three mutually perpendicular axes that intersect at the centre. If a, b, and …

  3. Ellipsoid - Math.net

    Ellipsoids are often classified based on the lengths of their semi-axes, a, b, and c. An ellipsoid has three axes of rotational symmetry. If an ellipsoid is rotated 180° (half a turn) about its axes, it …

  4. Ellipsoid -- from Wolfram MathWorld

    Dec 3, 2025 · The general ellipsoid, also called a triaxial ellipsoid, is a quadratic surface which is given in Cartesian coordinates by (x^2)/ (a^2)+ (y^2)/ (b^2)+ (z^2)/ (c^2)=1, (1) where the semi …

  5. ELLIPSOIDAL Definition & Meaning | Dictionary.com

    ELLIPSOIDAL definition: pertaining to or having the form of an ellipsoid. See examples of ellipsoidal used in a sentence.

  6. The Ellipsoidal Shape: Definition, Uses, and Examples

    Aug 4, 2025 · Among these many forms, the ellipsoidal shape stands out as a common yet remarkable geometric configuration. This three-dimensional form appears in various natural …

  7. ELLIPSOID Definition & Meaning - Merriam-Webster

    The meaning of ELLIPSOID is a surface all plane sections of which are ellipses or circles.

  8. The ellipsoid - Math Insight

    Just as an ellipse is a generalization of a circle, an ellipsoid is a generalization of a sphere. In fact, our planet Earth is not a true sphere; it's an ellipsoid, because it's a little wider than it is tall. As …

  9. Ellipsoid - Encyclopedia of Mathematics

    Apr 24, 2012 · An ellipsoid is a closed central surface of the second order (see Figure 1). The canonical equation of an ellipsoid has the form $$ \frac {x^2} {a^2} + \frac {y^2} {b^2} + \frac …

  10. Ellipsoid: Definition, Equation & Volume Explained Simply - Vedantu

    In geometry when we are to define an Ellipsoid, we say that it is a closed surface whose all plane cross-sections are either ellipses or circles. An ellipsoid is symmetrical at around three …