radiation beltEnglishOxford New American Dictionaryradiation belt /ˌrādēˈāSHən belt, ˌreɪdiˈeɪʃən bɛlt/ ▸ noun Astronomy a region surrounding a planet where charged particles accumulate under the influence of the planet's magnetic field.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
EnglishOxford New American Dictionary