. . . . . "(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\""@en-us . . . "109997475"@en-us . "0"^^ . "13877129-n"^^ . . "eccentricity"@en-us . . "0"^^ . "eccentricity"^^ . . . "113090850"@en-us . "113877129"^^ . .