"Ellipticity" is a word in ENGLISH
ellipticity
ENGLISH
Definition:
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 /.
Few words of positivity
The past is dead and buried. But I know now that buried things have a way of rising to the surface when one least expects them to.
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equatorial
ENGLISH
An instrument consisting of a telescope so mounted as to have two axes of motion at right angles to each …
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