| English noun: eccentricity | 
| 1. | eccentricity (attribute) strange and unconventional behavior | 
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 | Broader (hypernym) | strangeness, unfamiliarity | 
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 | Narrower (hyponym) | oddity, oddness | 
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| 2. | eccentricity (shape) (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 | 
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 | Samples | A circle is an ellipse with zero eccentricity. 
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 | Broader (hypernym) | ratio | 
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 | Domain category | geometry | 
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| 3. | eccentricity (attribute) a circularity that has a different center or deviates from a circular path | 
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 | Broader (hypernym) | circularity, disk shape | 
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 | Antonyms | concentricity | 
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