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eccentricity Syllabification: ec·cen·tric·i·ty
Pronunciation: /ˌeksenˈtrisədē/

Definition of eccentricity in English:

noun (plural eccentricities)

1The quality of being eccentric.
Example sentences
  • The important thing here isn't eccentricity; it's quality, and that's where this disk scores big.
  • But her trademark eccentricity, it seems, sells.
  • McEwan is younger and more energetic than the previous Marple, Joan Hickson, and this is a good thing: the character's eccentricity can be played more effectively.
1.1 (usually eccentricities) An eccentric act, habit, or thing: her eccentricities were amusing rather than irritating
More example sentences
  • The London Daily Telegraph pioneered some years ago a franker approach to obituary writing in which journalists were prepared to write about the failings and eccentricities, as well as the virtues, of their subjects.
  • Even though we know that eventually we'll be moving on, inevitably we settle into the life of a community, we make friends, we get used to people and they get used to us - our eccentricities, our idiosyncrasies.
  • With his flair and instinct for comedy, he became famous in the ‘screwball comedy’ genre, which was all about the foibles and eccentricities of people.
2 technical Deviation of a curve or orbit from circularity.
Example sentences
  • The eccentricity of the planetary orbits is small.
  • Because of the eccentricity of Mercury's orbit, the variation in the proper motion of the Sun would be noticeable to an observer on the planet.
  • Then, the extrasolar planets orbit much closer to their host stars and have a greater orbital eccentricity than the planets in our solar system.
2.1A measure of the extent of a deviation of a curve or orbit: Halley’s Comet has an eccentricity of about 0.9675
More example sentences
  • Its orbit is the most nearly circular of that of any planet, with an eccentricity of less than 1 per cent.
  • Note that these angular sizes were calculated using the average eccentricity of the lunar orbit.
  • Note that these angular sizes were calculated using the average eccentricity of the lunar orbit.

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