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



    BrE BrE//djuːˈɒpəli//
    ; NAmE NAmE//duːˈɑːpəli//
    (pl. duopolies) (business)
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  1. 1a right to trade in a particular product or service, held by only two companies or organizations
  2. 2a group of two companies or organizations who hold a duopoly compare monopoly
  3. Word Origin1920s: from duo-, on the pattern of monopoly.
See the Oxford Advanced American Dictionary entry: duopoly