Meaning & use
biennium
A period of two years, especially one used to organize a legislature's budget or work schedule.
See it in a sentence
The state legislature passed a budget covering the entire two-year biennium in a single vote.
University enrollment figures are often reported by biennium rather than by single academic year.
A note on using this word
Biennium is common in government, legal, and academic writing; the everyday word 'two years' works fine in casual speech.
Words with a similar meaning
two-year period
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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