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Meaning of tricentennial

tri•cen•ten•ni•al

Pronunciation: (trī"sen-ten'ē-ul), [key]
— adj.
  1. pertaining to 300 years or a period of 300 years.
  2. marking the completion of such a period: a tricentennial celebration.
—n.
  1. a 300th anniversary or its celebration.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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