Standard Lemma guide

biennium

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: /baɪˈɛn.i.əm/
  • Received-Pronunciation: /bʌɪˈɛn.ɪ.əm/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A period of two years, particularly for purposes involving intercalation or fiscal calculations.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Latin biennium, from biennis (“2-year”) + -ium (suffix forming abstract nouns), from bi- (“two”) + annus (“year”), q.v.

Across languages

Translations

7 source translations are retained for this English entry.

  • Galician: bienio — period of two years
  • Greek: διετία (dietía) — period of two years
  • Italian: biennio — period of two years
  • Latin: biennium — period of two years
  • Polish: dwulecie — period of two years
  • Spanish: bienio — period of two years
  • Turkish: iki yıl — period of two years