## ellipticity

el·lip·tic·i·ty- the condition of being elliptical; elliptical form
- the degree of deviation of an ellipse, elliptical orbit, etc. from circular form, or of a spheroid from spherical form

## ellipticity

noun

- Deviation from perfect circular or spherical form toward elliptic or ellipsoidal form.
- The degree of this deviation.

## ellipticity

Noun

(*countable and uncountable*, *plural* ellipticities)

- (uncountable) The condition of being elliptical (flattened from perfect circular or spherical form)
- (countable, mathematics) A measure of this flattening that is a function of the ellipse's equatorial and polar radii