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Definition of polar adjective from the Oxford Advanced Learner's Dictionary

polar

adjective
 
/ˈpəʊlə(r)/
 
/ˈpəʊlər/
[only before noun]
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  1. connected with, or near the North or South Pole
    • the polar regions
    • polar ice
    • polar explorers
  2. (specialist) connected with the poles (= the positive and negative ends) of a magnet
    • polar attraction
  3. (formal) used to describe something that is the complete opposite of something else
    • The parents' position is often the polar opposite of the child's.
  4. Word Originmid 16th cent.: from medieval Latin polaris ‘heavenly’, from Latin polus ‘end of an axis’, from Greek polos ‘pivot, axis, sky’.
See polar in the Oxford Advanced American DictionarySee polar in the Oxford Learner's Dictionary of Academic English

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