Ĕc'cen-trĭc'i-ty, n.

n. [N. Lat. eccentricitas, from eccentricus; Fr. eccentricité.]

1. The state of being eccentric; oddity; whimsicalness.
2. (Astron.) The distance of the center of the orbit of a heavenly body from the center of the body round which it revolves; that is, the distance between the center of an ellipse and its focus.