noun Date: 1959 a region of space surrounding a celestial object (as a planet or star) that is dominated by the object's magnetic field so that charged particles are trapped in it, magnetospheric adjective
MAGNETOSPHERE
Meaning of MAGNETOSPHERE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012