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octennial Definition

oc·ten·nial (äk ten′ē əl)

adjective

  1. happening every eight years
  2. lasting eight years

Etymology: < LL octennium, period of eight years (< L octo, eight + annus, year) + -al

octennial Related Forms
oc·ten′·ni·ally adverb

Browse dictionary entries near octennial

  1. ‹ octavo
  2. ‹ Octavius
  3. ‹ Octavian
  4. ‹ Octavia
  5. ‹ octave
  6. ‹ octant
  7. ‹ Octans
  8. ‹ octanol
  9. ‹ octanoic acid
  10. ‹ octane
  1. octet ›
  2. octillion ›
  3. octo- ›
  4. October ›
  5. October Revolution ›
  6. octodecimo ›
  7. octogenarian ›
  8. octonary ›
  9. octopod ›
  10. octopus ›