eccentricity C2 Topic:Describing Qualities US /ˌɛk.sɛnˈtɹɪs.ɪ.ti/ See IPA manual Freq #50699 Meanings 1 noun Strange or unusual behaviour; the quality of being odd. His colleagues were amused by his eccentricity, like wearing odd socks to meetings. 2 noun In astronomy and mathematics, a measure of how much an orbit or curve differs from a perfect circle. The comet's orbit has a very high eccentricity. Thesaurus Synonyms 1 noun · strange or unusual... oddity Word family Forms eccentricities Etymology AI details From eccentric + -ity. Topics Describing Qualities Mathematics & Measurement Word Formation & Derivatives External links Cambridge Dictionary Wiktionary Google Images # eccentricity **Type:** Word **Level:** C2 **Part of speech:** noun **IPA (US):** /ˌɛk.sɛnˈtɹɪs.ɪ.ti/ **Frequency rank:** 50699 ## Meanings 1. Strange or unusual behaviour; the quality of being odd. 2. In astronomy and mathematics, a measure of how much an orbit or curve differs from a perfect circle. ## Examples - His colleagues were amused by his eccentricity, like wearing odd socks to meetings. - The comet's orbit has a very high eccentricity. ## Etymology From eccentric + -ity. ## AI Etymology Eccentricity is from eccentric + -ity. In present-day use, it can mean strange or unusual behaviour; the quality of being odd, or in astronomy and mathematics, a measure of how much an orbit or curve differs from a perfect circle. ## Topics - Describing Qualities - Mathematics & Measurement - Word Formation & Derivatives markdown