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Definition of duality noun from the Oxford Advanced Learner's Dictionary

duality

noun

/djuːˈæləti/

/duːˈæləti/

[uncountable, countable]

(plural dualities)

(formal)

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the state of having two parts or aspects
Word Originlate Middle English: from late Latin dualitas, from dualis, from duo ‘two’.

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See duality in the Oxford Advanced American DictionarySee duality in the Oxford Learner's Dictionary of Academic English

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adjective

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