# Eccentricities

[ek-suh n-tris-i-tee, ek-sen-] /ˌɛk sənˈtrɪs ɪ ti, ˌɛk sɛn-/

**noun**, plural eccentricities.

1.

an oddity or peculiarity, as of conduct:

an interesting man, known for his eccentricities.

2.

the quality of being .

3.

the amount by which something is .

4.

Machinery. the distance between the centers of two cylindrical objects one of which surrounds the other, as between an and the shaft on which it is mounted.

5.

Mathematics. a 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.

/ˌɛksɛnˈtrɪsɪtɪ/

**noun** (pl) -ties

1.

unconventional or irregular behaviour

2.

deviation from a circular path or orbit

3.

a measure of the noncircularity of an elliptical orbit, the distance between the foci divided by the length of the major axis

4.

(geometry) 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)

5.

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

n.

1540s, of planetary orbits; 1650s, of persons (an instance of eccentricity); 1794, of persons (a quality of eccentricity); from eccentric (**adj.**) + -ity. Related: Eccentricities.

eccentricity

(ěk’sěn-trĭs’ĭ-tē)

Tagged: e

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[ek-suh n-tris-i-tee, ek-sen-] /ˌɛk sənˈtrɪs ɪ ti, ˌɛk sɛn-/ noun, plural eccentricities. 1. an oddity or peculiarity, as of conduct: an interesting man, known for his eccentricities. 2. the quality of being . 3. the amount by which something is . 4. Machinery. the distance between the centers of two cylindrical objects one of which […]

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