duplication
noun
[ djuːplɪˈkeɪʃn ]
• the action or process of duplicating something.
• "an attempt to avoid unnecessary duplication of effort"
Similar:
copying,
duplicating,
replicating,
replication,
photocopying,
xeroxing,
photostatting,
reprinting,
Origin:
late Middle English (used in the mathematical sense ‘multiplication by two’): from Old French, or from Latin duplicatio(n- ), from duplicare ‘to double’ (see duplicate).