BIENNIAL

A 'biennial' is an event that occurs every two years, much in the same way that a occurs every hundred years. If an event occurs every two years, it can be said to occur biennially. This is commonly used in reference to legislative agendas in U.S. states (often as 'biennium'), as many representatives are elected to two-year terms.
This word helps clarify the possible confusion between the words and . These words have become synonymous, as both and mean occurring twice a year.
An art exhibition held every two years is often known as a "biennial" or biennale.

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See also

See also

★ Biennial plant

★ Anniversary (for all other Latin-derived numerical names)

★ Triennale