<p><strong>Noun</strong></p><ul><li>plural: eccentricities</li><li>an oddity or peculiarity, as of conduct: an interesting man, known for his eccentricities.</li><li>the quality of being eccentric.</li><li>Synonyms: freakishness, oddness, queerness, aberration, strangeness.</li><li>the amount by which something is eccentric.</li><li>Machinery: 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.</li><li>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.</li></ul>