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quinquennium

noun quin·quen·ni·um \ kwin-ˈkwe-nē-əm , kwiŋ- \

Definition of quinquennium

plural quinquenniums or quinquennia play \kwin-ˈkwe-nē-ə, kwiŋ-\

: a period of five years

Origin and Etymology of quinquennium

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

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First Known Use: 1621

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