biennium

noun

bi·​en·​ni·​um bī-ˈe-nē-əm How to pronounce biennium (audio)
plural bienniums or biennia bī-ˈe-nē-ə How to pronounce biennium (audio)
: a period of two years

Examples of biennium in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
State revenue increased by 1.7% between the 2024-2025 biennium and the 2026-2027 biennium, according to the office. Fort Worth Star-Telegram, 5 Dec. 2025 Before the Legislature set the state’s current two-year budget, MMB estimated Minnesota would have $456 million surplus in the 2026-2027 biennium and a $6 billion deficit in 2028-2029. Alex Derosier, Twin Cities, 4 Dec. 2025 And second, state appropriations for the upcoming biennium will not be sufficient to cover basic increases in personnel costs like retirement and medical benefits. Michael T. Nietzel, Forbes.com, 4 Aug. 2025 And a second savings program, which bars legislators from spending a portion of income and business tax receipts, will capture more than $1.3 billion in the first year of the biennium and $1.25 billion in the second, according to state analysts. Keith M. Phaneuf, Hartford Courant, 16 July 2025 See All Example Sentences for biennium

Word History

Etymology

Latin, from bi- + annus year — more at annual

First Known Use

1699, in the meaning defined above

Time Traveler
The first known use of biennium was in 1699

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Cite this Entry

“Biennium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biennium. Accessed 23 Dec. 2025.

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