biennial

See also: biennale

English

Borrowed from Latin bienni(um) (“two-year period”) [from bis, bi- (“twice”) + annus (“year”)] + -al (suffix forming adjectives). By surface analysis, bi- +‎ -ennial.

biennial (not comparable)

Happening every two years.
- 2024 May 8, Katia Hetter, “Mammograms are now recommended starting at age 40. Should you get one?”, in CNN‎^[1]:
  This is a marked difference from the task force’s previous guidance, which was to start biennial mammograms by age 50.
Lasting for two years.

happening every two years

lasting for two years

Belarusian: двухгадо́вы (dvuxhadóvy)
Finnish: kaksivuotinen (fi)
French: biennal (fr)
German: biennal (de), zweijährig (de)
Greek: διετής (el) (dietís)
Irish: débhliantúil
Japanese: 二年間続く (にねんかんつづく, ninenkan tsuzuku), 二年生の (にねんせいの, ninensei no, botany)
Kazakh: екіжылдық (ekıjyldyq)
Manx: daa-vleinoil
Polish: dwuroczny, dwuletni (pl)
Portuguese: bienal (pt)
Romanian: bienal (ro)
Russian: двухле́тний (ru) (dvuxlétnij)
Scottish Gaelic: dà bhliadhnail
Spanish: bienal (es)
Ukrainian: дворі́чний (dvoríčnyj), дволі́тній (dvolítnij)

biennial (plural biennials)

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.
An event that happens every two years.
- 1891, Sir George Chetwynd, Racing Reminiscences and Experiences of the Turf, page 122:
  The famous Biennial was won by Earl of Dartrey, a light, peacocky horse, who was, perhaps, better than he looked.

plant

event