polarity
US /poʊˈler.ə.t̬i/
UK /poʊˈler.ə.t̬i/

1.
the state of having two opposite or contradictory tendencies, opinions, or aspects
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The debate highlighted the polarity between the two political parties.
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There's a strong polarity between their views on the economy.
2.
the property of having poles or being polar
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Magnets exhibit polarity, with a north and south pole.
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The electrical current has a specific polarity.