|1.||[ noun ] strange and unconventional behavior|
|Related terms:||unfamiliarity oddity|
|2.||[ noun ] (geometry) a ratio describing the shape of a conic section; the ratio of the distance between the foci to the length of the major axis|
"a circle is an ellipse with zero eccentricity"
|Related terms:||ratio geometry|
|3.||[ noun ] (geometry) a circularity that has a different center or deviates from a circular path|
|Related terms:||concentricity circularity|