(n.) 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 /.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). ellipticity. Retrieved September 22, 2026, from http://smartdefine.org/ellipticity/definitions/2002280 |
| Chicago | Webster's. 2011. "ellipticity" http://smartdefine.org/ellipticity/definitions/2002280 (accessed September 22, 2026). |
| Harvard | Webster's 2011, ellipticity, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/ellipticity/definitions/2002280>. |
| MLA | Webster's. "ellipticity" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/ellipticity/definitions/2002280> |