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Biennial conventions, celebrations, competitions,and sports events come every two years. Biennials are plants thatlive two years, bearing flowers and fruit only in the secondyear.
Hereof, how often is biennial?
Every two years, either the Summer or the WinterOlympics takes place. Don't mistake biennial forbiannual, which means “twice ayear.”
Additionally, is biannual every 2 years?
We have a special word—biennial—that means“occurring every two years.” The wordbiannual has only one meaning: “occurring twice ayear.”
The words biannual and biannually areambiguous and generally unrecommended, but strictly speakingmeans once every two years or occurring inthat timeframe.