- (n.) The ratio of the distance between the center and the focus of an ellipse or hyperbola to its semi-transverse axis.
- (n.) The ratio of the distance of the center of the orbit of a heavenly body from the center of the body round which it revolves to the semi-transverse axis of the orbit.
- (n.) The distance of the center of figure of a body, as of an eccentric, from an axis about which it turns; the throw.
- (n.) The state of being eccentric; deviation from the customary line of conduct; oddity.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). eccentricity. Retrieved September 22, 2026, from http://smartdefine.org/eccentricity/definitions/2001429 |
| Chicago | Webster's. 2011. "eccentricity" http://smartdefine.org/eccentricity/definitions/2001429 (accessed September 22, 2026). |
| Harvard | Webster's 2011, eccentricity, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/eccentricity/definitions/2001429>. |
| MLA | Webster's. "eccentricity" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/eccentricity/definitions/2001429> |