Meaning ofeccentricityin English

Noun

1. unconventional behaviour or trait; oddness
   The artist's eccentricity was reflected in her unusual paintings.
2. (math) ratio of distances in a conic section
   In mathematics, eccentricity is used to describe the shape of an ellipse.
3. orbital path irregularity (in astronomy)
   The planet's eccentricity caused its orbit to vary greatly in distance from the sun.