Word Study
magnetosphere
WORDNET DICTIONARY
Noun magnetosphere has 1 sense
CIDE DICTIONARY
magnetosphere, n.
the magnetic field of a planet; the volume around the planet in which charged particles are subject more to the planet's magnetic field than to the solar magnetic field. [WordNet 1.6]
OXFORD DICTIONARY
magnetosphere, n. the region surrounding a planet, star, etc. in which its magnetic field is effective.
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