n An exact copy or reproduction; replica -tr v To make an exact copy or copies of
To divide into two by natural growth or spontaneous action; as, infusoria duplicate themselves
An original instrument repeated; a document which is the same as another in all essential particulars, and differing from a mere copy in having all the validity of an original
something additional of the same kind; "he always carried extras in case of an emergency"
a copy that corresponds to an original exactly; "he made a duplicate for the files" make or do or perform again; "He could never replicate his brilliant performance of the magic trick" make a duplicate or duplicates of; "Could you please duplicate this letter for me?" being two identical identically copied from an original; "a duplicate key
The problem is a duplicate of an existing bug Marking a bug duplicate requires the bug# of the duplicating bug and will at least put that bug number in the description field
a copy that corresponds to an original exactly; "he made a duplicate for the files"