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Meaning of BIENNIAL

Pronunciation:  bI'eneeul

WordNet Dictionary
  1. [n]  a plant having a life cycle that normally takes two seasons from germination to death to complete; flowering biennials usually bloom and fruit in the second season
  2. [adj]  (botany) having a life cycle lasting two seasons; "a biennial life cycle"; "parsnips and carrots are biennial plants often grown as annuals"
  3. [adj]  occurring every second year; "they met at biennial conventions"

BIENNIAL is a 8 letter word that starts with B.


 Synonyms: biyearly, two-year
 Antonyms: annual, one-year, perennial
 See Also: flora, plant, plant life



Webster's 1913 Dictionary
  1. \Bi*en"ni*al\, a. [L. biennalis and biennis, fr.
    biennium a space of two years; bis twice + annus year. Cf.
    1. Happening, or taking place, once in two years; as, a
       biennial election.
    2. (Bot.) Continuing for two years, and then perishing, as
       plants which form roots and leaves the first year, and
       produce fruit the second.
  2. \Bi*en"ni*al\, n.
    1. Something which takes place or appears once in two years;
       esp. a biennial examination.
    2. (Bot.) A plant which exists or lasts for two years.
Biology Dictionary
  1. Refers to a plant that completes its life cycle in two years.
  2. A plant whose life span extends for more than one but less than two years after germination.
Thesaurus Terms
 Related Terms: amphibian, angiosperm, anniversary, annual, annual holiday, aquatic plant, biannual, bicentenary, bicentennial, bimonthly, birthday, bissextile day, biweekly, catamenial, centenary, centennial, commemoration, cosmopolite, cutting, daily, decennial, deciduous plant, diamond jubilee, dicot, dicotyledon, diurnal, ephemeral, evergreen, exotic, flowering plant, fortnightly, fungus, gametophyte, golden wedding anniversary, gymnosperm, hebdomadal, holy days, hourly, hydrophyte, immovable feast, jubilee, leap year, menstrual, momentary, momently, monocot, monocotyl, monthly, name day, natal day, octennial, perennial, plant, polycot, polycotyl, polycotyledon, quadrennial, quarterly, quasquicentennial, quincentenary, quincentennial, quinquennial, quotidian, secular, seed plant, seedling, semestral, semiannual, semimonthly, semiweekly, semiyearly, septennial, sesquicentennial, sextennial, silver wedding anniversary, spermatophyte, sporophyte, tercentenary, tercentennial, tertian, thallophyte, tricennial, triennial, vascular plant, vegetable, wedding anniversary, weed, weekly, yearly