Definition of radiation belt in English:

radiation belt

Syllabification: ra·di·a·tion belt

noun

Astronomy
  • A region surrounding a planet where charged particles accumulate under the influence of the planet’s magnetic field.
    More example sentences
    • That orbit regularly takes the station near the auroral zone and the ‘horns’ of the outer radiation belt - where the trapped particles descend toward the atmosphere.
    • A major finding of the magnetospheric imaging instrument is the discovery of a new radiation belt just above Saturn's cloud tops, up to the inner edge of the D-ring.
    • Other measurements obtained during the mission provided new data on the Earth's radiation belt and the discovery that the Moon has no magnetic field.

More definitions of radiation belt

Definition of radiation belt in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody