connected with, or near the North or South Pole 極地的；近地極的；南極（或北極）的 the polar regions 極區 polar ice 地極的冰 polar explorers 極地探險家
- (specialist)
connected with the poles (= the positive and negative ends) of a magnet 磁極的 polar attraction 極向引力
- (formal)
used to describe something that is the complete opposite of something else 完全相反的；截然對立的
Word Originmid 16th cent.: from medieval Latin polaris ‘heavenly’, from Latin polus ‘end of an axis’, from Greek polos ‘pivot, axis, sky’.