'By definition, this adverb describes something that happens every 3 years'
triannually (or triennially)
ADVERBS: By definition, this adverb describes something that happens every 3 years
By definition, this adverb describes something that happens every 3 years
By definition, this adverb describes something that happens every 3 years
ADVERBS
triannually or triennially
ADVERBS