octennial definition

  • adjective:
    • Occurring every eight many years.
    • Lasting or using eight years.
    • Happening every eighth year; additionally, lasting a period of eight years.
  • others:
    • Happening every eighth 12 months; regarding a thing that occurs every 8th year.
    • enduring eight years; regarding something that lasts eight years.

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  • Sentence for "octennial"
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