[1] : The Collaborative International Dictionary of English v.0.48

magnetosphere \magnet"osphere\, 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

[2] : WordNet (r) 2.0

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

Magnetosphere >> M Words
Magnetosphere, definition of term: Magnetosphere
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