Eccentricity or eccentric may refer to:
Eccentricity (behavior), odd behavior on the part of a person, as opposed to being "normal"
Mathematics, science and technology Mathematics Off-center, in geometry Eccentricity (graph theory) of a vertex in a graph Eccentricity (mathematics), a parameter associated with every conic section
Orbital mechanics Orbital eccentricity, in astrodynamics, a measure of the non-circularity of an orbit Eccentric anomaly, the angle between the direction of periapsis and the current position of an object on its orbit Eccentricity vector, in celestial mechanics, a dimensionless vector with direction pointing from apoapsis to periapsis Eccentric, a type of deferent, a circle or sphere used in obsolete epicyclical systems to carry a planet around the Earth or Sun
Other uses in science and technology Eccentric (mechanism), a wheel that rotates on an axle that is displaced from the focus of the circle described by the wheel Horizontal eccentricity, in vision, degrees of visual angle from the center of the eye Eccentric contraction, the lengthening of muscle fibers Eccentric position of a surveying tripod, to be able to measure hidden points Eccentric training, the motion of an active muscle while it is lengthening under load Eccentricity, a deviation from concentricity
Other uses Eccentric Club, a London gentlemen's club The Eccentric The Eccentrics
See also
Acentric (disambiguation)
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