magnetosphere
UK/mæg'ni:tәsfiә/US
TOEFLC2
Definitions
n.
The region around a planet that is dominated by its magnetic field.
磁层（行星周围由其磁场主宰的区域）
Root Breakdown
Root-derived=magnetosphere
magneto- (magnet) + -sphere (ball, shell) = the magnetic 'shell' around a planet — the zone where its magnetic field rules, shielding it from the solar wind.
Root magnet still carries 7 more wordsCommon Collocations
- 1.Earth's magnetosphere地球磁层
- 2.planetary magnetosphere行星磁层
Example Sentences
- 1.
Earth's magnetosphere deflects most of the harmful solar wind.
- 2.
Jupiter has by far the largest magnetosphere of any planet.