Main entry: duplicate, duplication
Definition: a copy that corresponds to an original exactly
Usage: he made a duplicate for the files
Definition: something additional of the same kind
Usage: he always carried extras in case of an emergency
Definition: increase twofold
Usage: The population doubled within 50 years
Main entry: double, duplicate, reduplicate, repeat, replicate
Definition: make or do or perform again
Usage: He could never replicate his brilliant performance of the magic trick
Main entry: duplicate
Definition: make a duplicate or duplicates of
Usage: Could you please duplicate this letter for me?
Main entry: parallel, duplicate, twin
Definition: duplicate or match
Usage: The polished surface twinned his face and chest in reverse
Main entry: duplicate, matching, twin, twinned
Definition: being two identical
Main entry: duplicate
Definition: identically copied from an original
Usage: a duplicate key