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quinquennium

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noun, quin·quen·ni·um \-nē-əm\

Definition of quinquennium

plural quinquenniums or quinquenniaplay \-nē-ə\

  1. :  a period of five years



Origin of quinquennium

Latin, from quinque five + annus year — more at five, annual


First Known Use: 1621

Rhymes with quinquennium


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