decennially

Variant of decennial

adjective

  1. happening every ten years
  2. lasting ten years

Origin: < L decennium (see decennium) + -al

noun

a tenth anniversary or its commemoration

Related Forms:

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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