Kuiper beltPronunciation: /ˈkʌɪpə bɛlt/Definition of Kuiper belt noun a region of the solar system beyond the orbit of Neptune, believed to contain many comets, asteroids, and other small bodies made largely of ice. Origin: 1990s: named after Gerard P. Kuiper (1905–73), Dutch-born US astronomerKuiper belt in other Oxford dictionaries Definition of Kuiper belt in the US English dictionary
