What is another word for ellipticity?
Pronunciation: [ɪlɪptˈɪsɪti] (IPA) 
Ellipticity is a term used to describe the degree to which something is elliptical or oval-shaped. It may also refer to the ratio of the major and minor axes of an ellipse, a shape that is often observed in natural phenomena such as celestial bodies, orbits and even some crystals.
Other synonyms for this term include ovoidness, oblateness, and elongation. These words describe different aspects of the same shape, with ovoidness referring to the overall oval shape of an object, oblateness referring to the flattening of an object's polar axis, and elongation referring to the stretching or extension of an object along its axis. Whatever the word used, the concept of ellipticity is fundamental to understanding many natural phenomena, from the orbits of planets to the structure of molecules.
