Definition of duplication noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌdjuːplɪˈkeɪʃn//
    ; NAmE NAmE//ˌduːplɪˈkeɪʃn//
    [uncountable, countable]
    jump to other results
  1. 1the act or process of making an exact copy of something a studio equipped with the latest duplication equipment
  2. 2the act or process of doing something again, especially when it is unnecessary a wasteful duplication of effort