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duplicate

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Definition of duplicate

adjective

Pronunciation: /ˈdjuːplɪkət/
[attributive]
  • 1exactly like something else, especially through having been copied:a duplicate set of keys
  • 2 technical having two corresponding or identical parts.

noun

Pronunciation: /ˈdjuːplɪkət/
  • 1one of two or more identical things:books may be disposed of if they are duplicates
  • a copy of an original:locksmiths can make duplicates of most keys
  • 3 archaic a pawnbroker’s ticket.

verb

Pronunciation: /ˈdjuːplɪkeɪt/
[with object]
  • make or be an exact copy of:information sheets had to be typed and duplicated they have not been able to duplicate his successes
  • multiply by two; double:the normal amount of DNA has been duplicated thousands of times
  • do (something) again unnecessarily:most of these proposals duplicated work already done

Phrases

in duplicate

twice in exactly the same way.
consisting of two exact copies:forms to complete in duplicate

Derivatives

duplicable

Pronunciation: /-kəb(ə)l/
adjective

Origin:

late Middle English (in the sense 'having two corresponding parts'): from Latin duplicat- 'doubled', from the verb duplicare, from duplic- 'twofold' (see duplex)

duplicate in other Oxford dictionaries

Definition of duplicate in the US English dictionary

Nearby words

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