ellipticity of spheroid

См. также в других словарях:

• Ellipticity — El lip*tic i*ty, n. [Cf. F. ellipticit[ e].] Deviation of an ellipse or a spheroid from the form of a circle or a sphere; especially, in reference to the figure of the earth, the difference between the equatorial and polar semidiameters, divided… …   The Collaborative International Dictionary of English

• ellipticity — [el΄ip tis′ə tē] n. 1. the condition of being elliptical; elliptical form 2. the degree of deviation of an ellipse, elliptical orbit, etc. from circular form, or of a spheroid from spherical form …   English World dictionary

• ellipticity — noun Date: 1753 deviation of an ellipse or a spheroid from the form of a circle or a sphere …   New Collegiate Dictionary

• Flattening — Ellipticity redirects here. For ellipticity in differential calculus, see elliptic operator. This article is about geometry. For psychopathology, see flattening of affect. The flattening, ellipticity, or oblateness of an oblate spheroid is a… …   Wikipedia

• flattening — The ratio of the difference between the equatorial radius (major semi axis) and the polar radius (minor semi axis) of the earth to the equatorial radius. Also called compression. The flattening of the earth is the ellipticity of the spheroid, and …   Aviation dictionary

• Figure of the Earth — An oblate spheroid Geodesy …   Wikipedia

• Clairaut's theorem — For the interpretation of this theorem in terms of symmetry of second derivatives of a mapping , see Symmetry of second derivatives. Figure 1: An ellipsoid …   Wikipedia

• Reference ellipsoid — In geodesy, a reference ellipsoid is a mathematically defined surface that approximates the geoid, the truer figure of the Earth, or other planetary body.Because of their relative simplicity, reference ellipsoids are used as a preferred surface… …   Wikipedia

• Equatorial bulge — An equatorial bulge is a bulge which a planet may have around its equator, distorting it into an oblate spheroid. The Earth has an equatorial bulge of 42.72 km (26.5 miles) due to its rotation: its diameter measured across the equatorial plane… …   Wikipedia

• Alexis Clairaut — Infobox Scientist name = Alexis Claude de Clairault box width = image width =250px caption = Alexis Claude de Clairault birth date = May 7, 1713 birth place = death date = May 17, 1765 death place = residence = citizenship = nationality = French… …   Wikipedia

• Angular eccentricity — In the study of ellipses and related geometry, various parameters in the distortion of a circle into an ellipse are identified and employed: Aspect ratio, flattening and eccentricity. All of these parameters are ultimately trigonometric functions …   Wikipedia