Although the Celebrity was almost impervious to sarcasm, he was now beginning to exhibit visible signs of uneasiness, the consciousness dawning upon him that hiseccentricity was not receiving the ovation it merited.
For an ellipse, theeccentricity is the ratio of the distance from the center to a focus divided by the length of the semi-major axis.
(astronomy) The eccentricity of the conic section (usually an ellipse) defined by the orbit of a given object around a reference object (such as that of a planet around the sun).
