biennially

biennial (baɪˈɛnɪəl)

—*adj*
1.	occurring every two years
2.	Compare biannual lasting two years

—n
3.	annual Compare perennial a plant, such as the carrot, that completes its life cycle within two years, developing vegetative storage parts during the first year and flowering and fruiting in its second year
4.	an event that takes place every two years

bi'ennially

—*adv*

biennial (baɪˈɛnɪəl)

—*adj*
1.	occurring every two years
2.	Compare biannual lasting two years

—n
3.	annual Compare perennial a plant, such as the carrot, that completes its life cycle within two years, developing vegetative storage parts during the first year and flowering and fruiting in its second year
4.	an event that takes place every two years

bi'ennially

—*adv*

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline

Word Origin & History

biennial

1620s, from L. biennium "two-year period," from bi- + annus "year." The noun meaning "a biennial plant" is attested by 1770.

American Heritage

Science Dictionary

biennial

  (bī-ěn'ē-əl) Pronunciation Key
Adjective   Completing a life cycle normally in two growing seasons.

Noun   A biennial plant. In the first year, biennials normally produce a short stem, a rosette of leaves, and a fleshy root that acts as food supply. In the second season, biennials blossom, produce seed, use up their food supply, and die. Carrots, parsnips, and sugar beets are examples of biennials. Compare annual , perennial.

Example sentences

Audits conducted biennially under the provisions of this subpart shall cover both years within the biennial period.

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