单词	quadrennial
释义	quadrennial /kwɒˈdrɛnɪəl / adjective 1Recurring every four years: the quadrennial world championships... Leap years are quadrennial, like the Olympics or the World Cup. In the quadrennial election year 2000, the Democrats nominated President Clinton's vice-president, Albert Gore Jr. This year, the quadrennial tournament is back in the United States. 1.1Lasting for or relating to a period of four years.‘Like all our swimmers, Maggie is on a quadrennial plan,’ Marsh said. Derivatives quadrennially /kwɒˈdrɛnɪəli/ adverb ... It was coordinated quadrennially with competitions in Varna, Moscow, and Helsinki. The first four documents are updated quadrennially, with the fifth being updated biennially. Origin Mid 17th century: from quadrennium + -al.
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