biennial

biennial
biennially, adv.
/buy en"ee euhl/, adj.
1. happening every two years: biennial games.
2. lasting or enduring for two years: a biennial life cycle.
3. Bot. completing its normal term of life in two years, flowering and fruiting the second year, as beets or winter wheat.
n.
4. any event occurring once in two years.
5. Bot. a biennial plant.
Also, biyearly (for defs. 1, 2).
[1615-25; BIENNI(UM) + -AL1]
Usage. See bi-1.

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Any plant that completes its life cycle in two growing seasons.

During the first growing season biennials produce roots, stems, and leaves; during the second they produce flowers, fruits, and seeds, and then die. Sugar beets and carrots are examples of biennials. See also annual, perennial.

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plant
      Any plant that completes its life cycle in two growing seasons (growing season). During the first growing season biennials produce roots, stems, and leaves; during the second they produce flowers, fruits, and seeds, and then die. Sugar beets and carrots (carrot) are examples of biennials. See also annual, perennial.

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Universalium. 2010.

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  • Biennial — Bi*en ni*al, a. [L. biennalis and biennis, fr. biennium a space of two years; bis twice + annus year. Cf. {Annual}.] 1. Happening, or taking place, once in two years; as, a biennial election. [1913 Webster] 2. (Bot.) Continuing for two years, and …   The Collaborative International Dictionary of English

  • Biennial — may refer to:* an event that occurs every two years * a biennial plant, a plant which blooms in its second year * a biennale, an art exhibition held every two years ee also* anniversary (for all other Latin derived numerical names) * , an event… …   Wikipedia

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  • biennial — [bī en′ē əl] adj. [< L biennium, period of two years < bi , BI 1 + annus, year + AL] 1. happening every two years 2. lasting or living two years n. 1. a biennial event or occurrence 2 …   English World dictionary

  • biennial — *biannual, semiannual …   New Dictionary of Synonyms

  • biennial — see biannual …   Modern English usage

  • biennial — [[t]baɪe̱niəl[/t]] biennials 1) ADJ: ADJ n A biennial event happens or is done once every two years. ...the biennial Commonwealth conference. 2) N COUNT A biennial is a plant that lives for two years. It flowers, produces seed, and dies in its… …   English dictionary

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