What does eccentricity mean?
• ECCENTRICITY (noun) The noun ECCENTRICITY has 3 senses: 1. strange and unconventional behavior 2. (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 3. a circularity that has a different center or deviates from a circular path Familiarity information: ECCENTRICITY used as a noun is uncommon.