Definition of duplicate in English:

duplicate

Line breaks: du¦pli|cate

adjective

Pronunciation: /ˈdjuːplɪkət
 
/
[attributive]
1Exactly like something else, especially through having been copied: a duplicate set of keys
More example sentences
  • They were duplicate copies that the commission had.
  • For example, I never realised you should keep duplicate copies of receipts.
  • And beyond duplicate copies, we just don't have that much space here anyway!
Synonyms
matching, identical, twin, corresponding, equivalent; matched, paired, twofold, coupled
2 technical Having two corresponding or identical parts.
More example sentences
  • Basically, identical and duplicate infrastructure components serve the critical systems.

noun

Pronunciation: /ˈdjuːplɪkət
 
/
Back to top  
1One of two or more identical things: books may be disposed of if they are duplicates
More example sentences
  • Now things are sorted, you should be able to identify duplicates, spares, and rubbish.
  • What you really need is some kind of weighted-sampling without replacement (which you can simulate by throwing out duplicates, but then you waste time trying to find a reasonable sample).
  • The pair were both head down reading duplicates of some glossy brochures.
1.1A copy of an original: locksmiths can make duplicates of most keys
More example sentences
  • Portraiture is an art unusually bedevilled by duplicates and copies.
  • Another similar statue was erected at the British Museum, and a duplicate of the statue was specially made in Britain and imported to sit by the new development.
  • A point-in-time copy represents an exact duplicate of a data volume at the moment the copy was created.
Synonyms
copy, carbon copy, carbon, photocopy, facsimile, mimeo, mimeograph, reprint; replica, reproduction, exact likeness, close likeness, twin, double, clone, match, mate, fellow, counterpart
informal dupe
trademark Xerox, photostat
2 short for duplicate bridge.
More example sentences
  • The method of doing this comparison varies according to what kind of duplicate is being played.
3 archaic A pawnbroker’s ticket.
More example sentences
  • And then you got another ticket, called the duplicate, with the date changed and another stamp on it.

verb

Pronunciation: /ˈdjuːplɪkeɪt
 
/
[with object] Back to top  
1Make or be an exact copy of: information sheets had to be typed and duplicated they have not been able to duplicate his successes
More example sentences
  • Simply, we're now able to copy an atom, duplicating everything about it except its position and velocity in a new atom somewhere else.
  • I have taken pictures in rain and snow and duplicated exact copies of this same type of picture in the past for experimentation purposes.
  • More likely, they thought they could duplicate the Spain success.
Synonyms
copy, photocopy, photostat, xerox, mimeograph, make a photocopy of, take a photocopy of, make a carbon copy of, make a carbon of, make a facsimile of, reproduce, replicate, reprint, run offrepeat, do over again, do again, redo, perform again, replicate
1.1Multiply by two; double: the normal amount of DNA has been duplicated thousands of times
1.2Do (something) again unnecessarily: most of these proposals duplicated work already done
More example sentences
  • Now the president is saying, oh, well, we might give you tax relief if you will sign on to my prescription drug proposal, which duplicates coverage that's already provided.
  • Research that duplicates other work unnecessarily or which is not of sufficient quality to contribute something useful to existing knowledge is unethical
  • Alliances create better communities which tap into the strength of their multiple institutions and decrease unnecessarily duplicated resources.

Origin

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

Phrases

in duplicate

Twice in exactly the same way.
More example sentences
  • Each DNA specimen was analyzed at least twice in duplicate.
  • The experiment was performed at least twice in duplicate.
  • The screen was performed in duplicate and repeated twice, and mutants common to both screens were characterized further.
Consisting of two exact copies: forms to complete in duplicate
More example sentences
  • Take note that this was in duplicate, with color, too - there were some parts which had to be in red font.
  • With a changed political topography, all major public buildings - museums and opera house - were now in duplicate.
  • The Application for licensing as a Customs and Excise bonded warehouse should be made on the letterhead of the applicant in duplicate and addressed to the Commissioner for Customs and Excise.

Derivatives

duplicable

Pronunciation: /-kəb(ə)l/
adjective
More example sentences
  • But when the parts are duplicable for zero cost, and when there isn't an end product, pull is the way to go.
  • By turning physical property into endlessly duplicable e-property, the ancient human problem of ‘mine-thine’ has been essentially solved.
  • And they look different too; the phenomena of light through celluloid is only duplicable to a certain degree with matrixed digital display - and further still when digital is the source.

Definition of duplicate in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day glee
Pronunciation: glē
noun
great delight