“Biennial” vs. “Biannual”: What’s the Difference?

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The difference between “biennial” and “biannual”

  • The key difference between biennial and biannual is the frequency - biennial means every two years, while biannual means twice a year.
  • Biennial is used to describe events or things that happen every two years, while biannual is used for events or things that happen twice a year.
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What is the definition of “biennial” and “biannual”?

Biennial
  • Biennial means something that occurs every two years.
  • It can be used to describe events, such as a biennial conference.
  • It can also refer to plants that complete their life cycle in two years.
Biannual
  • Biannual means something that occurs twice a year.
  • It can be used to describe events, such as a biannual meeting.
  • It can also refer to publications that are published twice a year.

Which is the more popular variant on the Internet?

“Biennial” is the more popular variant on the web.
More popular
Biennial
45,500,000 results on the web
Examples
  1. The biennial art festival is coming up soon.
  2. The plant only flowers once every two years due to its biennial cycle.
  3. My company holds biennial conferences for all employees to attend.
Biannual
7,400,000 results on the web
Examples
  1. We have biannual dental check-ups to maintain our oral health.
  2. The magazine releases its issues biannually, every six months.
  3. The company presents biannual reports on its financial performance to the shareholders.
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