From Longman Dictionary of Contemporary Englishduplicatedu‧pli‧cate1 /ˈdjuːplɪkeɪt $ ˈduː-/ ●○○ verb [transitive] 1 COPYto copy something exactly New copies of the form can be duplicated from a master copy. The video was duplicated illegally.2 REPEATto repeat something in exactly the same way We don’t want staff to duplicate each other’s work. —duplication /ˌdjuːplɪˈkeɪʃən $ ˌduː-/ noun [uncountable]→ See Verb table
Examples from the Corpus
duplicate• Social-science research on stepparent families has underscored the point that biological ties are surprisingly difficult to duplicate.• Scientists raced to duplicate Fleishmann's experiments.• So we shall have copies of errors being duplicated in the population.• A number of them are duplicated in Windows 3.1 and these are more up to date versions.• The strategy worked, and Mr Rysavy began duplicating it at other officesupply stores that he bought.• Give the plant a lot of bright light, to duplicate outdoor conditions.• The version provided says that it will duplicate software that early versions of CopyIIPC will not.• To properly duplicate the Green Bay aura, we are looking for cities, counties or clusters of towns of similar size.• Such a request would be unusual in public law applications as it would duplicate the role of the guardian ad litem.• She then instructed her subjects to duplicate these postures as precisely as possible.duplicatedu‧pli‧cate2 /ˈdjuːpləkət $ ˈduː-/ ●○○ adjective [only before noun] exactly the same as something, or made as an exact copy of something A duplicate copy should be made for the county record office. a duplicate keyExamples from the Corpus
duplicate• Most of the savings would come from cutting duplicate corporate operations and staff.• It's a good idea to keep duplicate files on floppy disk.• The elimination of redundancy means that database searches do not return duplicate sequence information.• The elimination of duplicate support positions.• Using object replication, it automatically generates duplicate versions of objects on multiple disks with negligible overheads.duplicate copy• We went back inside and signed the indentures, the scrivener cutting the parchment into three and keeping a duplicate copy.• Complete the application for an official search using a carbon for the duplicate copy comprised in the one form.• I am so particularly pleased with these, that I should feel much gratified by possessing a duplicate copy of each.• A duplicate copy of the invoice will be retained by the builder's surveyor for record purposes.duplicateduplicate3 ●○○ noun [countable] 1 COPYan exact copy of something that you can use in the same wayduplicate of Locksmiths can make duplicates of most keys. She kept both the duplicate and the original.2 → in duplicateExamples from the Corpus
duplicate• I only have one house key, but I'll have a duplicate made for when you visit.• When a tape is full, make a duplicate of it for storage elsewhere. 3.4.2.• a duplicate of the key• The official document was still laid out on the centre of the table alongside the first few lines of his handwritten duplicate.• I wanted that card to complete the set, so ruefully handed over twelve of my duplicates.• This was a reserve duplicate of those now running.• But they began searching for a distant location to store duplicates of some of the more vital records and equipment.• Rather, their duplicates develop during embryogenesis in entirely different ways to form highly differentiated bodies.• Many, indeed, were duplicates.make duplicates• Master locksmiths can make duplicates of most keys - including those for cars, safes, padlocks, etc.• The typewriter, carbon-paper and the camera have made duplicates of important papers readily available.From Longman Business Dictionaryduplicatedu‧pli‧cate1 /ˈdjuːpləkətˈduː-/ noun1[countable] an exact copy of a documentDid you keep a duplicate of the contract?2in duplicate if a document is written in duplicate, there are two copies of itProvide a separate invoice in duplicate for each purchase order.duplicatedu‧pli‧cate2 /ˈdjuːpləkeɪtˈdu-/ verb [transitive] to repeat, perhaps unnecessarily, something that has already been doneDuplicating research is costly and time-consuming.The report merely duplicates earlier findings. —duplication noun [uncountable]We need to eliminate such wasteful duplication of effort.→ See Verb tableOrigin duplicate3 (1400-1500) Latin duplicatus, past participle of duplicare “to double”, from duplex; → DUPLEX 