ellipsoid

Noun

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Noun

**ellipsoid** (*plural* ellipsoids)

- (
*mathematics, geometry*) 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*+^{2}/a^{2}*y*+^{2}/b^{2}*z*= 0.^{2}/c^{2}**2002**, John Michael Hollas,*Basic Atomic and Molecular Spectroscopy*, page 133 ↗,- Polarizability can be imagined as a three-dimensional
**ellipsoid**centred on the centre of the molecule, as shown in Figure 10.4.

- Polarizability can be imagined as a three-dimensional
**2004**, Alfred Leick,*GPS Satellite Surveying*, 3rd Edition, page 367 ↗,- Because only
**ellipsoids**of rotation have been adopted in practical geodesy and surveying and triaxial**ellipsoids**have been limited to theoretical studies, we will use the termfor brevity to mean*ellipsoid***ellipsoid**of rotation.

- Because only
**2010**, Jan Van Sickle,*Basic GIS Coordinates*, 2nd Edition, page 73 ↗,- As mentioned before, modern geodetic datums rely on the surfaces of geocentric
**ellipsoids**to approximate the surface of the earth.

- As mentioned before, modern geodetic datums rely on the surfaces of geocentric

- (
*geography*) Such a surface used as a model of the shape of the earth.*Here the geoid is thirty meters below the***ellipsoid**.

- ellipsoidal
- subellipsoid

- French: ellipsoïde
- German: Ellipsoid, Ellipsoide
- Russian: эллипсо́ид
- Spanish: elipsoide

**ellipsoid**

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

This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003