bn:00029582n
Noun Concept
Categories: Analytic geometry, Articles with short description, Conic sections
EN
eccentricity  first eccentricity  linear eccentricity  second eccentricity  third eccentricity
EN
(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 WordNet 3.0
English:
math
mathematics
geometry
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EN
In mathematics, the eccentricity of a conic section is a non-negative real number that uniquely characterizes its shape. Wikipedia
A parameter associated with every conic section Wikipedia Disambiguation
Eccentricity of a conic section Wikidata
Geometry: measure of the deviation of a conic section from circular shape. OmegaWiki
The ratio, constant for any particular conic section, of the distance of a point from the focus to its distance from the directrix. Wiktionary
EN
A circle is an ellipse with zero eccentricity WordNet 3.0 & Open English WordNet
For an ellipse, the eccentricity is the ratio of the distance from the center to a focus divided by the length of the semi-major axis. Wiktionary
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