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decennial

 - 2 dictionary results

de⋅cen⋅ni⋅al

  [di-sen-ee-uhl]
Use decennial in a Sentence
–adjective
1. of or for ten years.
2. occurring every ten years.
–noun
3. a decennial anniversary.
4. its celebration.
Origin:
1650–60; < L decenni(um) a period of ten years (decenn(is) decennary + -ium -ium ) + -al 1

Related forms:
de⋅cen⋅ni⋅al⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To decennial
de·cen·ni·al   (dĭ-sěn'ē-əl)   
adj.  

  1. Relating to or lasting for ten years.

  2. Occurring every ten years.

n.  A tenth anniversary.

[From Latin decennium, a period of ten years; see decennium.]
de·cen'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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