Word.ws English Dictionary

octennium

octennium noun: an eight-year period.

Noun

octennium (plural octenniums or octennia)

  1. (rare) An eight-year period.

Synonyms of octennium

Forms of octennium

pluraloctenniums
pluraloctennia

Origin of octennium

From Late Latin octennium, from octennis (“8-year”) + -ium (suffix forming abstract nouns).

Questions about octennium

What does octennium mean?
Octennium means an eight-year period.
What part of speech is octennium?
Octennium is a noun.
What is the plural of octennium?
The plural of octennium is octenniums.

Words near octennium in the dictionary

  1. octenidine
  2. octenidine dihydrochloride
  3. octennia
  4. octennial
  5. octennially
  6. octennium
  7. octenniums
  8. octenol
  9. octenyl
  10. octenyls
  11. octeocyte

Source and license

Adapted from Wiktionary: octennium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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