biannual

puolivuosittainen occur Occurring twice a year; semiannual.
(quote-book)
(quote-book)|chapter=Introduction|title=Permanent Education Between New Illiteracy and High Power Technology: 1988 Biannual Symposia|location=New Orleans, La.|publisher=Institute for the Comparative Study of Public Policy, (w)|year=1989|isbn=978-0-9621423-0-7|passage=Collection of papers presented at the workshops during the 1988 biannual symposia in February (New Orleans) and May (Innsbruck).
(quote-book) the biannual meetings between the President of the European Council and the President of the United States were formalized, there were to be two meetings per year (..)
(quote-web)|date=9 August 2007|passage=Biannual newsletter / The Society publishes a twice yearly newsletter, called "Headlines".
(quote-book)|year=2009|page=163|isbn=978-0-7641-6110-0|passage=Under a lease, Abel is required to make biannual rent payments, one in January and one in July(nb..).
puhekieltä Occurring once every two years; biennial.
(quote-book).
(quote-book)|year=1997|pages=190–192|isbn=978-0-8386-3751-7|passage=Thus he argues that the members of the National Assembly were independent from the constituencies that elected them, because the latter (the assemblies, administrative and elected) are "biennially renewed," as was the National Assembly. (..) This being responsible to electors is implicitly the case of the representatives in the National Assembly, who must also face biannual elections(nb..).
(quote-book)|year=2001|page=84|isbn=978-0-415-26940-7|passage=Now, after having solved the biannual period problem back to period one of the ten biannual periods, i.e. quarters 77–84 it is necessary to convert the state variables, namely n, SK and GK, from biannual to annual units.
(quote-book)." (Mikhail Gorbachev, as quoted in The Earth Charter Initiative, Biannual Report 2002–2003, Earth Charter International Secretariat, http://www.earthcharter.org/files/resources/Biannual%20Report.pdf, p 10,(nb..)).
Something occurring twice each year.
(quote-journal)|year=1995|volume=36|page=366|issn=0049-2949|oclc=559679179|passage=It was a biannual from April 1970 to October 1977 and has been a quarterly since fall 1978.