"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

Doing easily what others find is difficult is talent doing what is impossible for talent is genius.

Henri Frederic Amiel

WORD SUGGESTIONS
Laugh your heart out.

Q: How do you keep your husband from reading your e-mail?A: Rename the mail folder to "instruction manuals"

equatorial ENGLISH

An instrument consisting of a telescope so mounted as to have two axes of motion at right angles to each …

Read the complete definition