tricentennial Hear it!

tricentennial definition

tri·cen·ten·nial (trī′sen ten′ē əl)

adjective

  1. happening once in a period of 300 years
  2. lasting 300 years

noun

a 300th anniversary or its commemoration

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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