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biannual

 - 2 dictionary results

bi⋅an⋅nu⋅al

  [bahy-an-yoo-uhl]
Use biannual in a Sentence
–adjective
1. occurring twice a year; semiannual.
2. occurring every two years; biennial.
Origin:
1875–80; bi- 1 + annual

Related forms:
bi⋅an⋅nu⋅al⋅ly, adverb

Usage note:
See bi- 1 .
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To biannual
bi·an·nu·al   (bī-ān'yōō-əl)   
adj.  

  1. Happening twice each year; semiannual.

  2. Occurring every two years; biennial.

bi·an'nu·al·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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