(~d)
1.
If you ~ something that has already been done, you repeat or copy it.
His task will be to ~ his success overseas here at home...
= replicate
VERB: V n
•
Duplicate is also a noun.
Charles scored again, with an exact ~ of his first goal.
N-COUNT
2.
To ~ something which has been written, drawn, or recorded onto tape means to make exact copies of it.
...a business which ~s video and cinema tapes for the movie makers.
= copy
VERB: V n
•
Duplicate is also a noun.
I’m on my way to Switzerland, but I’ve lost my card. I’ve got to get a ~.
N-COUNT: also in N
3.
Duplicate is used to describe things that have been made as an exact copy of other things, usually in order to serve the same purpose.
He let himself in with a ~ key.
ADJ: ADJ n
4.
see also duplication