Bi-annual is a word that refers to an event that happens twice a year. The word 'semiannual' is often substituted for biannual as well, and means the same thing.
bi means two and annual means year so biannual is twice a year. __ As distinct from biennial which means every two years.
Biannual.
biennial and biannual, althou biannual could also mean twice a year
biannual A couple of years
Biannual
Biannual. Biannual can mean occurring every two years, OR occurring twice a year. Biennial, on the other hand, means only the former: occurring every two years.
Biannual used in a sentence would be, "payments are going to be biannual". Biannual means that something is going to occur every two years.
Biannual biannual means twice per year. Biennial means every two years or every other year.
Biannual means twice every year.
Bicentennial
equinax
Biannual Bi meaning 2 and annual meaning yearly