noun Etymology: James A. Van Allen Date: 1958 a belt of intense radiation in the magnetosphere composed of energetic charged particles trapped by the earth's magnetic field
VAN ALLEN BELT
Meaning of VAN ALLEN BELT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012