Meaning of POLAR in English

POLAR

/ ˈpəʊlə(r); NAmE ˈpoʊ-/ adjective [ only before noun ]

1.

connected with, or near the North or South Pole :

the polar regions

polar explorers

2.

( technical ) connected with the poles (= the positive and negative ends) of a magnet :

polar attraction

3.

( formal ) used to describe sth that is the complete opposite of sth else :

The parents' position is often the polar opposite of the child's.

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WORD ORIGIN

mid 16th cent.: from medieval Latin polaris heavenly, from Latin polus end of an axis, from Greek polos pivot, axis, sky.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.