12 letters · 21 points in Scrabble
noun strange and unconventional behavior
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
noun a circularity that has a different center or deviates from a circular path
originBorrowed from Latin eccentricitās. By surface analysis, eccentric + -ity.
Etymology from Wiktionary, CC BY-SA 3.0