Definition of Ellipticity

1. Noun. The property possessed by a round shape that is flattened at the poles. "The oblateness of the planet"

Exact synonyms: Oblateness
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)

Ellipticity Pictures

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Lexicographical Neighbors of Ellipticity

elliptic function
elliptic functions
elliptic geometry
elliptic leaf
elliptical
elliptical amputation
elliptical anastomosis
elliptical galaxies
elliptical galaxy
elliptical recess
elliptically
ellipticals
ellipticine
ellipticines
ellipticities
ellipticity (current term)
elliptization
elliptizations
elliptocytary anaemia
elliptocyte
elliptocytic anaemia
elliptocytosis
elliptocytotic anaemia
elliptograph
elliptographs
ellisite
ellisize
ellisized
ellisizes

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, ..."

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