noun an event that occurs every two years
adjective occurring every two years
In politics, a biennial election is an election that occurs every two years, such as the biennial elections for members of the United States Congress.
In science, biennial events or occurrences refer to those that happen every two years, such as a biennial migration pattern of certain animals.
In the art world, a biennial exhibition is a large-scale event that takes place every two years, showcasing contemporary art from around the world.
In botany, biennial plants have a two-year life cycle, typically producing leaves in the first year and flowers and seeds in the second year.
In agriculture, biennial crops are plants that complete their life cycle in two years, requiring two growing seasons to produce seeds.
In the literary world, a biennial publication schedule may be common for certain magazines or journals.
In the field of psychology, a biennial conference is often organized to discuss the latest research and advancements in the field.
Botanists may study biennial plants, which have a two-year life cycle from germination to flowering.
Some museums may host biennial exhibitions showcasing contemporary art or specific themes every two years.