Biennial

Biennial is a term referring to a period of two years, much in the same way refers to 100 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.

Related Topics:
Period - Year - U.S. state

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The word is used to clarify the words and . Both these words have become ambiguous, as they can mean occurring twice a year or occurring once every two years. In this case, prefixing (meaning "two") to can either indicate twice annually, or a period twice the length of "annual". The inverse is true with (meaning "half").

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Today, major dictionaries define both and as something that occurs twice a year. In contrast, is given a double meaning: either twice a month, or once every two months.

Related Topics:
Dictionaries - Month

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