Eccentricity refers to the quality of being strange, unusual, or quirky. It describes someone or something that behaves or thinks in a way that is different from what is considered normal or conventional. Full definition
The changes in eccentricity of Earth's orbit are due to alterations in the gravitational tugs induced by other planets. (skepticalscience.com)
where c1, c2, c3, c4, c5 and c6 are cutoff frequencies (in per kyr) for eccentricity cycles of (405 per kyr), (125 per kyr), and (95 per kyr). (nature.com)
Christopher Walken is a multiple Oscar nominee, but his talent has been overshadowed to significant degree by both his highly imitable vocal delivery patten and penchant for eccentricity as well as, simply put, his love to work, which has led to him appearing in many dozens of films, including a lot of dreck. (shareddarkness.com)