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Biennial vs Triennial - What's the difference?

biennial | triennial | Related terms |

Triennial is a related term of biennial.



As adjectives the difference between biennial and triennial

is that biennial is happening every two years while triennial is happening every three years.

As nouns the difference between biennial and triennial

is that biennial is a plant that requires two years to complete its life-cycle, germinating and growing in its first year, then producing its flowers and fruit in its second year, after which it usually dies while triennial is a third anniversary.

biennial

English

Adjective

(-)
  • Happening every two years.
  • Lasting for two years.

    • See also

    * biennium * biennially * biannual * semiannual

    Noun

    (en noun)
  • A plant that requires two years to complete its life-cycle, germinating and growing in its first year, then producing its flowers and fruit in its second year, after which it usually dies.

    • See also

    * annual * perennial

    triennial

    English

    Adjective

    (-)
  • Happening every three years.
    • triennial elections
  • Lasting for three years.
    • triennial''' parliaments; a '''triennial reign
    (Howell)

    Synonyms

    * (rare) trieterical

    Related terms

    * (noun) triennium

    See also

    * triennially

    Noun

    (en noun)
  • A third anniversary.

    • Related terms

    * biennial * triennium * triannual