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biennially

biennially

1 5.4
Once every two years
  • adverb
  • /baɪˈɛnɪəli/
: cada dos años
  • Information on waterborne disease outbreaks is voluntarily reported to the CDC and is compiled and published biennially in conjunction with the U.S. Environmental Protection Agency (EPA).
  • hold its sessions biennially

Examples

  • The art exhibition is held biennially, showcasing local artists every two years.

  • Tourists are welcome to participate in the Sea Festival, held biennially.

    Blog text (9)
  • The Committee hosted programs approximately biennially and published occasional bibliographies.

    Academic text (2014)
  • However, a sample of approximately 2,400 respondents from each senior class is followed up biennially until age 30 and then again at age 35.

    Academic text (2008)
  • Participants in the NLSY79 were followed annually through 1994 and biennially thereafter.

    Academic text (2012)
  • Assurance that s/he is willing and able to commit the necessary time to carry out the duties of Editor, including leading the Editorial Committee meetings, usually held biennially in conjunction with the Music Research & Teacher Education National Conference.

    Academic text (2015)
  • In addition, MENC cosponsors the National Symposium on Multicultural Music, which began in 1995 and has been held biennially since 1998 at the University of Tennessee-Knoxville.

    Academic text (2007)
  • The committee meets biennially to discuss updates and future plans.

  • The festival, which celebrates local culture, takes place biennially in the summer.

Synonyms

biyearly
vsbiennially
1 5.8

Happening once every two years

is the same meaning but normally expressed as an adverb ending in -ly

How Often

annually
113 2.2
biennially
1 5.4

Surface Forms

biennially positive

Morphology

biennially = biennial (transparent) = biennial + ly

The adverb is a straightforward derivation from the adjective 'biennial' using the productive adverbial suffix '-ly'.

Etymology

The word biennially comes from bi- meaning 'two' and annual meaning 'year', so it means 'every two years'. Think of bicycle, where bi- means 'two'. That's why when something happens biennially it happens once in a two-year period.