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triennially
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Contents
1
English
1.1
Etymology
1.2
Adverb
1.2.1
Usage notes
English
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Etymology
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triennial
+
-ly
Adverb
edit
triennially
(
not
comparable
)
Occurring at intervals three
years
apart.
Usage notes
edit
Often confused with
triannually
which means occurring three times per year.