English edit

Etymology edit

elliptic +‎ -ity

Noun edit

ellipticity (countable and uncountable, plural ellipticities)

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

Derived terms edit

See also edit