polar
US /ˈpoʊ.lɚ/
UK /ˈpoʊ.lɚ/
1.
relating to the North or South Pole or the regions around them
:
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The expedition studied polar bears in their natural habitat.
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The climate in the polar regions is extremely cold.
2.
having opposite characteristics or tendencies
:
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Their opinions on the matter were polar opposites.
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The two cultures represent polar extremes.