biennially
Once per two-years
Biennially means every two years: The conference meets biennially.
Not to be confused with biannually, which means twice a year.
A biennial event occurs once every twenty-four months; a biannual event occurs every six months.
Occurring every third year
- quinquennialEvery fifth year
- bicentennial200th anniversary observance
- sesquicentennial150-year milestone
- anniversaryRecurring memorial date
periodically · regularly · intermittently · occasionally · calendar · schedule · cycle · rotation
Organized public celebration
- exhibitionPublic display of items
- summitPeak or diplomatic gathering
- symposiumFormal expert discussion meeting
- expoLarge public display event
fair · conference · convention · assembly · tournament · championships · election · review
Producing reproductive structures
- boltingDeparting at speed
- life cycleOrganism's full developmental sequence
- germinationSeed's initial growth phase
- overwinteringEnduring the cold months
seedling · rosette · carrot · parsley · foxglove · hollyhock · cabbage · beet
triennial
Occurring every third year
- quinquennialEvery fifth year
- bicentennial200th anniversary observance
- sesquicentennial150-year milestone
anniversary · periodically · regularly · intermittently · occasionally · calendar · schedule · cycle · rotation · interval
festival
Organized public celebration
- exhibitionPublic display of items
- summitPeak or diplomatic gathering
- symposiumFormal expert discussion meeting
expo · fair · conference · convention · assembly · tournament · championships · election · review · assessment
flowering
Producing reproductive structures
- boltingDeparting at speed
- life cycleOrganism's full developmental sequence
- germinationSeed's initial growth phase
overwintering · seedling · rosette · carrot · parsley · foxglove · hollyhock · cabbage · beet · celery
bienniallyannually
Once every year
yearly · daily · continuously · constantly · weekly
- biennial eventSomething occurring every second year