It means once in every two years.
according to me it is biennial.
Istanbul Biennial was created in 1987.
Singapore Biennial Games was created in 2010.
The word "biennial" can function as both an adjective and a noun.
A biennial plant flowers every two years
The word Biennial means Every two years
Yes, carrots are biennial vegetables, meaning they have a two-year life cycle.
The adjective "biennial" means done or occurring every 2 years. (biannual means twice a year)
triennial
It is an adjective.
Adriano González León Biennial Novel Prize was created in 2004.
The trend in state governments has been to adopt annual legislative sessions over biennial. In 2011, only four states still have biennial sessionsâ??Montana, Nevada, North Dakota and Texas.