Akademik

ellipticity
noun
the property possessed by a round shape that is flattened at the poles
-

the oblateness of the planet

Syn: ↑oblateness
Derivationally related forms: ↑elliptic, ↑oblate (for: ↑oblateness)
Hypernyms: ↑roundedness, ↑bulginess

Useful english dictionary. 2012.