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



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  • BrE BrE//ˈdjuːplɪkət//
    ; NAmE NAmE//ˈduːplɪkət//
    one of two or more things that are the same in every detail synonym copy Is this a duplicate or the original?
  • Word Originlate Middle English (in the sense ‘having two corresponding parts’): from Latin duplicat- ‘doubled’, from the verb duplicare, from duplic- ‘twofold’, from duo ‘two’ + plicare ‘to fold’.Extra examples The contract is prepared in duplicate, so that both parties can sign it. The ring was an exact duplicate of her mother’s ring. We made a duplicate of the key.Idioms (of documents, etc.) as two copies that are exactly the same in every detail to prepare a contract in duplicate compare triplicate
    See the Oxford Advanced American Dictionary entry: duplicate

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