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septennial

 - 2 dictionary results

sep⋅ten⋅ni⋅al

  [sep-ten-ee-uhl]
Use septennial in a Sentence
–adjective
1. occurring every seven years.
2. of or for seven years.
–noun
3. something that occurs every seven years.
Origin:
1630–40; < LL septenni(s) (L septuennis) seven years old (sept(em) seven + -enn-, comb. form of annus year + -is adj. suffix) + -al 1

Related forms:
sep⋅ten⋅ni⋅al⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To septennial
sep·ten·ni·al   (sěp-těn'ē-əl)   
adj.  

  1. Occurring every seven years.

  2. Consisting of or continuing for seven years.

n.  An event that occurs every seven years.

[From Late Latin septennium, period of seven years, from Latin septennis, of seven years : septem, seven; see sept in Indo-European roots + annus, year; see at- in Indo-European roots.]
sep·ten'ni·al·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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