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biennial    音标拼音: [bɑɪ'ɛniəl]
n. 二年生植物,二年一次的事
a. 二年生的,二年一次的

二年生植物,二年一次的事二年生的,二年一次的

biennial
adj 1: having a life cycle lasting two seasons; "a biennial life
cycle"; "parsnips and carrots are biennial plants often
grown as annuals" [synonym: {biennial}, {two-year}] [ant:
{annual}, {one-year}, {perennial}]
2: occurring every second year; "they met at biennial
conventions" [synonym: {biennial}, {biyearly}]
n 1: (botany) 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

Cyclic \Cyc"lic\ (s?k"l?k or s?"kl?k), Cyclical \Cyc"lic*al\
(s?k"l?-kal), a. [Cf. F. cycluque, Gr. kykliko`s, fr. ky`klos
See {Cycle}.]
1. Of or pertaining to a cycle or circle; moving in cycles;
as, cyclical time. --Coleridge.
[1913 Webster]

2. (Chemistry) Having atoms bonded to form a ring structure.
Opposite of {acyclic}.

Note: Used most commonly in respect to organic compounds.

Note: [Narrower terms: {bicyclic}; {heterocyclic};
{homocyclic, isocyclic}]

Syn: closed-chain, closed-ring.
[WordNet 1.5]

3. Recurring in cycles[2]; having a pattern that repeats at
approximately equal intervals; periodic. Opposite of
{noncyclic}.

Note: [Narrower terms: {alternate(prenominal),
alternating(prenominal)}; {alternate(prenominal), every
other(prenominal), every second(prenominal)};
{alternating(prenominal), oscillating(prenominal)};
{biyearly}; {circadian exhibiting 24-hour
periodicity)}; {circular}; {daily, diurnal};
{fortnightly, biweekly}; {hourly}; {midweek,
midweekly}; {seasonal}; {semestral, semestrial};
{semiannual, biannual, biyearly}; {semiweekly,
biweekly}; {weekly}; {annual, yearly}; {biennial};
{bimonthly, bimestrial}; {half-hourly}; {half-yearly};
{monthly}; {tertian, alternate(prenominal)};
{triennial}]
[WordNet 1.5]

4. Marked by repeated cycles[2].
[WordNet 1.5]

{Cyclic chorus}, the chorus which performed the songs and
dances of the dithyrambic odes at Athens, dancing round
the altar of Bacchus in a circle.

{Cyclic poets}, certain epic poets who followed Homer, and
wrote merely on the Trojan war and its heroes; -- so
called because keeping within the circle of a single
subject. Also, any series or coterie of poets writing on
one subject. --Milman.
[1913 Webster]


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 then perishing, as
plants which form roots and leaves the first year, and
produce fruit the second.
[1913 Webster]


Biennial \Bi*en"ni*al\, n.
1. Something which takes place or appears once in two years;
esp. a biennial examination.
[1913 Webster]

2. (Bot.) A plant which exists or lasts for two years.
[1913 Webster]

89 Moby Thesaurus words for "biennial":
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


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  • BIENNIAL Definition Meaning - Merriam-Webster
    Biennials are plants that live two years, bearing flowers and fruit only in the second year (Carrots and sugar beets are two examples; since we're only interested in their roots, we don't wait another year to see their flower and fruit ) In contrast, semiannual means "twice a year"
  • BIENNIAL Definition Meaning | Dictionary. com
    BIENNIAL definition: happening every two years See examples of biennial used in a sentence
  • Whitney Biennial 2024: Even Better Than the Real Thing
    This Biennial is a gathering of artists who explore the permeability of the relationships between mind and body, the fluidity of identity, and the growing precariousness of the natural and constructed worlds around us
  • BIENNIAL | English meaning - Cambridge Dictionary
    us bɑɪˈen·i·əl a plant that lives for two years, producing seeds and flowers in its second year (Definition of biennial from the Cambridge Academic Content Dictionary © Cambridge University Press)
  • ‘Biannual’ vs. ‘Biennial’: Differences Between ‘Biannual’ and ‘Biennial . . .
    “Biannual” means occurring twice in one year, and “biennial” means happening once every two years Think of “biannual” as synonymous with “semiannual”: both mean happening twice a year
  • Biannual vs. Biennial - Grammar. com
    Biennial is also used as a noun where it implies a biennial plant or an event celebrated or taking place every two years The top antiques fairs are the Milan and Florence biennials
  • Biannual vs. Biennial: Whats the Difference? - Grammarly
    Biannual refers to something that happens twice a year, typically once every six months On the other hand, biennial is used to describe something that takes place every two years While both reflect periodic occurrences, the frequency of those events is significantly different
  • What does Biennial mean? - Definitions. net
    Biennial is an adjective that describes something that occurs, is done, or is produced every two years It can also refer to a plant that completes its life cycle and produces flowers or fruits within a span of two years
  • How to Use Biannual, biennial and semiannual Correctly
    Biennial is an adjective which means occurring every two years, or every other year Also, a biennial plant is one that takes two years to grow from its planting to its death The adverb form is biennially Biennial comes from the Latin biennium, which means a two year period





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