Definify.com
Webster 1913 Edition
Eccentricity
Ecˊcen-tric′i-ty
,Noun.
pl.
Eccentricities
(#)
. [Cf. F.
excentricité
.] 1.
The state of being eccentric; deviation from the customary line of conduct; oddity.
2.
(Math.)
The ratio of the distance between the center and the focus of an ellipse or hyperbola to its semi-transverse axis.
3.
(Astron.)
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.
4.
(Mech.)
The distance of the center of figure of a body, as of an eccentric, from an axis about which it turns; the throw.
Webster 1828 Edition
Eccentricity
ECCENTRIC'ITY
,Noun.
1.
The state of having a center different from that of another circle.2.
In astronomy, the distance of the center of a planet's orbit from the center of the sun; that is, the distance between the center of an ellipsis and its focus.3.
Departure or deviation from that which is stated, regular or usual; as the eccentricity of a man's genius or conduct.4.
Excursion from the proper sphere.Definition 2024
eccentricity
eccentricity
English
Noun
eccentricity (countable and uncountable, plural eccentricities)
- The quality of being eccentric; any eccentric behaviour.
- 1898, Winston Churchill, chapter 5, in The Celebrity:
- Although the Celebrity was almost impervious to sarcasm, he was now beginning to exhibit visible signs of uneasiness, the consciousness dawning upon him that his eccentricity was not receiving the ovation it merited.
-
- (mathematics) The ratio, constant for any particular conic section, of the distance of a point from the focus to its distance from the directrix.
- For an ellipse, the eccentricity is the ratio of the distance from the center to a focus divided by the length of the semi-major axis.
Translations
the quality of being eccentric
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eccentric behaviour
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a ratio between distances in a conic section
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