Meaning & use

biennium

noun·Advanced

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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