different between prolate vs ellipsoid
prolate
English
Etymology
From Latin prolatum, past participle of proferre (“to extend, lengthen”).
Pronunciation
- IPA(key): /?p???.le?t/, /p????le?t/
Adjective
prolate (comparative more prolate, superlative most prolate)
- Elongated at the poles.
- A cigar is a prolate spheroid.
Translations
Antonyms
- oblate
Related terms
- proffer
See also
- equidimensional
Verb
prolate (third-person singular simple present prolates, present participle prolating, simple past and past participle prolated)
- (obsolete, transitive) To utter; to pronounce.
- 1629, Ben Jonson, The New Inn
- Prolate it right.
- 1629, Ben Jonson, The New Inn
Anagrams
- La Porte, LaPorte, Laporte, Platero, Portela, patrole
Latin
Participle
pr?l?te
- vocative masculine singular of pr?l?tus
prolate From the web:
- what is prolate and oblate
- what does prolate mean
- what is prolate spheroid
- what does proletariat mean
- what does prolate spheroid mean
- what is prolate spheroid geometry
- prolate meaning
- what is prolate spheroidal wave
ellipsoid
English
Etymology
ellipse +? -oid
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 x2/a2 + y2/b2 + z2/c2 = 0.
- 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.
- 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 term ellipsoid for brevity to mean ellipsoid of rotation.
- 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.
- 2002, John Michael Hollas, Basic Atomic and Molecular Spectroscopy, page 133,
- (geography) Such a surface used as a model of the shape of the earth.
Usage notes
The general case, with semiaxes a, b and c all different, is a triaxial ellipsoid (more rarely, scalene ellipsoid). If two are the same, say b = c, the result is an ellipsoid of revolution, which may be oblate (if a < b) or prolate (a > b). The degenerate case a = b = c is a sphere. An ellipsoid of revolution is also called a spheroid.
Hypernyms
- quadric surface, quadric
Derived terms
- ellipsoid of revolution
- ellipsoid geodesic
- ellipsoid method
- ellipsoid packing
- scalene ellipsoid (rare)
- triaxial ellipsoid
Related terms
- ellipsoidal
- subellipsoid
Translations
See also
- geoid
Adjective
ellipsoid (comparative more ellipsoid, superlative most 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.
Related terms
- ellipsoidal
- globoid
- ovoid
Translations
See also
- globose
- oblong
Swedish
Noun
ellipsoid c
- (mathematics) ellipsoid
Declension
ellipsoid From the web:
- what ellipsoid does wgs84 use
- what's ellipsoid joint
- what ellipsoid means
- what is ellipsoidal height
- what does ellipsoidal mean
- what is ellipsoid shape
- what is ellipsoid in gis
- what is ellipsoid in geodesy
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