The quality of being eccentric or odd; any eccentric behaviour.
The ratio, constant for any particular conic section, of the distance of a point from the focus to its distance from the directrix.
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).
An idiosyncrasy; a slight glitch, mannerism; something unusual about the manner or style of something or someone.
An acute angle dividing a molding; a groove that runs lengthwise between the upper part of a moulding and a soffit.
To (cause to) move with a wry jerk.
To furnish with a quirk or channel.