Biennium Definition

bī-ĕnē-əm
biennia, bienniums
noun
A two-year period.
American Heritage

A period of two years.

Wiktionary

Other Word Forms of Biennium

Noun

Singular:
biennium
Plural:
biennia, bienniums

Origin of Biennium

  • Latin bi- two bi–1 annus year at- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin biennium.

    From Wiktionary

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