What does eccentricity mean?

Definitions for eccentricityˌɛk sənˈtrɪs ɪ ti, ˌɛk sɛn-

Here are all the possible meanings and translations of the word eccentricity.

Princeton's WordNet

  1. eccentricity(noun)

    strange and unconventional behavior

  2. eccentricity(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"

  3. eccentricity(noun)

    a circularity that has a different center or deviates from a circular path


  1. eccentricity(Noun)

    The quality of being eccentric; any eccentric behaviour.

  2. eccentricity(Noun)

    The ratio, constant for any particular conic section, of the distance of a point from the focus to its distance from the directrix

Webster Dictionary

  1. Eccentricity(noun)

    the state of being eccentric; deviation from the customary line of conduct; oddity

  2. Eccentricity(noun)

    the ratio of the distance between the center and the focus of an ellipse or hyperbola to its semi-transverse axis

  3. Eccentricity(noun)

    the ratio of the distance of the center of the orbit of a heavenly body from the center of the body round which it revolves to the semi-transverse axis of the orbit

  4. Eccentricity(noun)

    the distance of the center of figure of a body, as of an eccentric, from an axis about which it turns; the throw

  5. Origin: [Cf. F. excentricit.]


  1. Eccentricity

    In popular usage, eccentricity refers to unusual or odd behavior on the part of an individual. This behavior would typically be perceived as unusual or unnecessary, without being demonstrably maladaptive. Eccentricity is contrasted with "normal" behavior, the nearly universal means by which individuals in society solve given problems and pursue certain priorities in everyday life. People who consistently display benignly eccentric behavior are labeled as "eccentrics".


  1. Chaldean Numerology

    The numerical value of eccentricity in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of eccentricity in Pythagorean Numerology is: 8

Sample Sentences & Example Usage

  1. A. M. Rosenthal:

    It has been our policy not to use obscenities in the paper. It's a harmless little eccentricity of ours.

  2. John Stuart Mill:

    The amount of eccentricity in a society has generally been proportional to the amount of genius, mental vigor, and moral courage it contained. That so few now dare to be eccentric marks the chief danger of the time.

  3. Joseph Brodsky:

    The surest defense against Evil is extreme individualism, originality of thinking, whimsicality, even -- if you will -- eccentricity. That is, something that can't be feigned, faked, imitated; something even a seasoned imposter couldn't be happy with.

  4. Edith Sitwell:

    Eccentricity is not, as dull people would have us believe, a form of madness. It is often a kind of innocent pride, and the man of genius and the aristocrat are frequently regarded as eccentrics because genius and aristocrat are entirely unafraid of and uninfluenced by the opinions and vagaries of the crowd.

Images & Illustrations of eccentricity

  1. eccentricityeccentricityeccentricity

Translations for eccentricity

From our Multilingual Translation Dictionary

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"eccentricity." Definitions.net. STANDS4 LLC, 2018. Web. 18 Feb. 2018. <https://www.definitions.net/definition/eccentricity>.

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