°being the same as another;
identical. This
may exclude the first identical item in a series, but usage is inconsistent.
"This is a duplicate entry."
verb
"If we duplicate the information, are we really accomplishing much?"
"You don't need to duplicate my efforts."
noun
°One that resembles or corresponds to another; an
identical copy.
"This is a duplicate, but a very good replica."
synonyms:
reproduction