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Definition of Ellipticity
1. Noun. The property possessed by a round shape that is flattened at the poles. "The oblateness of the planet"
Generic synonyms: Bulginess, Roundedness
Derivative terms: Elliptic, Elliptic, Oblate
Definition of Ellipticity
1. n. 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 by the equatorial; thus, the ellipticity of the earth is &frac1x29966;.
Definition of Ellipticity
1. Noun. The condition of being elliptical (flattened from perfect circular or spherical form) ¹
2. Noun. (countable mathematics) A measure of this flattening that is a function of the ellipse's equatorial and polar radii ¹
¹ Source: wiktionary.com
Definition of Ellipticity
1. [n -TIES]
Medical Definition of Ellipticity
1. 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 by the equatorial; thus, the ellipticity of the earth is 1/29966. Some writers use ellipticity as the ratio of the difference of the two semiaxes to the minor axis, instead of the major. Origin: Cf. F. Ellipticite. Source: Websters Dictionary (01 Mar 1998)
Lexicographical Neighbors of Ellipticity
Literary usage of Ellipticity
Below you will find example usage of this term as found in modern and/or classical literature:
1. Scientific Papers by George Howard Darwin, Francis Darwin, Ernest William Brown (1908)
"Now the reciprocal of the ellipticity of a homogeneous fluid or viscous spheroid
... Hence the ellipticity of the earth when rotating in 5^ hours is The ..."
2. Geology by Thomas Chrowder Chamberlin, Rollin D. Salisbury (1905)
"The part played by ellipticity of orbit.—The ellipticity of the orbits is the
very factor that furnishes the assigned agency of aggregation, ..."
3. An Introduction to Natural Philosophy: Designed as a Text Book, for the Use by Denison Olmsted (1854)
"By a comparison of a great number of pendulum experiments, Baily, an English
astronomer, makes the- ellipticity of the earth jVj °f the equatorial diameter, ..."