Definitions for biannually
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Random House Webster's College Dictionary
bi•an•nu•al*baɪˈæn yu əl(adj.)
occurring twice a year; semiannual.
occurring every two years; biennial.
* Usage: See bi-1.
Origin of biannual:
1875–80
bi•an′nu•al•ly(adv.)
Princeton's WordNet
biannually(adverb)
twice a year
"we hold our big sale biannually"
Wiktionary
biannually(Adverb)
Twice per year.
Citation
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