Found 2 items, similar to magnetosphere.
English → English (WordNet) Definition: magnetosphere 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
English → English (gcide) Definition: magnetosphere magnetosphere \mag*net"o*sphere\, 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]