Eccentricity or eccentric may refer to:
- Off-center
- Eccentricity (behavior), odd behavior on the part of a person, as opposed to being "normal"
- Eccentricity (graph theory) of a vertex in a graph
- Eccentricity (mathematics), a parameter associated with every conic section
- Eccentric (mechanism), a wheel that rotates on an axle that is displaced from the focus of the circle described by the wheel
- Eccentricity vector
- Horizontal eccentricity, in vision, degrees of visual angle from the center of the eye
- Orbital eccentricity, in astrodynamics, calculated from orbital state vectors as an absolute value of eccentricity vector or using other methods based on orbital energy and angular momentum
- Eccentric anomaly, the angle between the direction of periapsis and the current position of an object on its orbit
- Eccentric Club, a London gentlemen's club
- Eccentric contraction, the lengthening of muscle fibers
- Eccentric, in astronomy, a type of deferent, a circle or sphere used in obsolete astronomical systems to carry a planet around the Earth or Sun
- Eccentric position of a surveying tripod to be able to measure hidden points
- Eccentric Training
Famous quotes containing the word eccentricity:
“Eccentricity has always abounded when and where strength of character has abounded; and the amount of eccentricity in a society has generally been proportional to the amount of genius, mental vigour, and moral courage which it contained.”
—John Stuart Mill (1806–1873)