- Eccentricity is defined as the state or quality of having an odd or unusual manner.
Dressing in a way that is considered to be strange and out-of-the-ordinary is an example of eccentricity.
- the state, quality, or amount of being eccentric
- deviation from what is ordinary or customary, as in conduct or manner; oddity; unconventionality
- an eccentric trait or habit; peculiarity
- Math. the ratio of the distances from any point of a conic section to the focus and to the directrix: the value of this ratio determines the type of conic section (zero = circle, between zero and one = ellipse, one = parabola, more than one = hyperbola)
- Mech. the distance between the center of a shaft and the center of its eccentric wheel: sometimes, erroneously, called a throw
Origin: see eccentric
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noun pl. ec·cen·tric·i·ties
- a. The quality of being eccentric.b. Deviation from the normal, expected, or established.
- An example or instance of eccentric behavior.
- Physics The distance between the center of an eccentric and its axis.
- Mathematics The ratio of the distance of any point on a conic section from a focus to its distance from the corresponding directrix. This ratio is constant for any particular conic section.
eccentricity - Science Definition
- A measure of the deviation of an elliptical path, especially an orbit, from a perfect circle. It is equal to the ratio of the distance between the foci of the ellipse to the length of the major axis of the ellipse (the distance between the two points farthest apart on the ellipse). Eccentricity ranges from zero (for a perfect circle) to values approaching 1 (highly elongated ellipses).
- The ratio of the distance of any point on a conic section from a focus to its distance from the corresponding directrix. This ratio is constant for any particular conic section.
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