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WordReference Random House Learner's Dictionary of American English © 2024ec•cen•tric•i•ty /ˌɛksɛnˈtrɪsɪti/USA pronunciation n. - [uncountable] peculiar, odd, or strange behavior.
[countable] an action, habit, or attitude that is peculiar, odd, or strange. WordReference Random House Unabridged Dictionary of American English © 2024ec•cen•tric•i•ty (ek′sən tris′i tē, ek′sen-),USA pronunciation n., pl. -ties. - an oddity or peculiarity, as of conduct:an interesting man, known for his eccentricities.
- the quality of being eccentric.
- the amount by which something is eccentric.
- Mechanical Engineering[Mach.]the distance between the centers of two cylindrical objects one of which surrounds the other, as between an eccentric and the shaft on which it is mounted.
- Mathematicsa constant expressed as the ratio of the distance from a point on a conic to a focus and the distance from the point to the directrix.
- Medieval Latin eccentricitās, equivalent. to eccentric- (see eccentric) + -itās -ity
- 1545–55
- 2.See corresponding entry in Unabridged queerness, strangeness, oddness, freakishness, aberration. Eccentricity, peculiarity, quirk, idiosyncrasy all refer to some noticeable deviation in behavior, style, or manner from what is normal or expected. Eccentricity usually suggests a mildly amusing but harmless characteristic or style:a whimsical eccentricity in choice of clothing.Peculiarity is the most general of these words, referring to almost any perceptible oddity or departure from any norm:the peculiarity of his eyelashes, of the weather.Quirk often refers to a minor, unimportant kind of oddity:Her one quirk was a habit of speaking to strangers in elevators.Sometimes quirk has overtones of strangeness:sexual quirks.Idiosyncrasy refers to a variation in behavior or manner exclusive to or characteristic of a single individual:idiosyncrasies of style that irritated editors but often delighted readers.
Collins Concise English Dictionary © HarperCollins Publishers:: eccentricity /ˌɛksɛnˈtrɪsɪtɪ/ n ( pl -ties)- unconventional or irregular behaviour
- deviation from a circular path or orbit
- a number that expresses the shape of a conic section: the ratio of the distance of a point on the curve from a fixed point (the focus) to the distance of the point from a fixed line (the directrix)
- the degree of displacement of the geometric centre of a rotating part from the true centre, esp of the axis of rotation of a wheel or shaft
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