yılda iki defa vaki olan

listen to the pronunciation of yılda iki defa vaki olan
Türkçe - İngilizce
biannual
Occurring twice a year; half-yearly; semiannual, twice-yearly

Biannual newsletter: The Society publishes a twice yearly newsletter, called Headlines.

Something occurring twice each year

It was a biannual from April 1970 to October 1977 and has been a quarterly since fall 1978.

Occurring every two years; biennial

The Earth Charter opens a new phase.... (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,...).

Or semiannual Occurring every six months or twice per year
A biannual event happens twice a year. You will need to have a routine biannual examination. + biannually bi·an·nu·al·ly Only since 1962 has the show been held biannually. happening twice each year
occurring twice a year Same as semiannual Contrast with biennial
occurring or payable twice each year
Occurring twice a year; half-yearly; semiannual
{s} occurring twice a year
occurring twice a year; semiannual
yılda iki defa vaki olan