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

     

    plutocracy

     noun
    noun
    BrE BrE//pluːˈtɒkrəsi//
     
    ; NAmE NAmE//pluːˈtɑːkrəsi//
     
    (pl. plutocracies)
     
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  1. 1[uncountable] government by the richest people of a country
  2. 2[countable] a country governed by the richest people in it
  3. Word Origin mid 17th cent.: from Greek ploutokratia, from ploutos ‘wealth’ + kratos ‘strength, authority’.
See the Oxford Advanced American Dictionary entry: plutocracy