tricentenary tricentennial (ˌtraɪsɛnˈtɛnɪəl) adjective

  1. of or relating to a period of 300 years
  2. of or relating to a 300th anniversary or its celebration

noun plural -tenaries or -tennials

  1. an anniversary of 300 years or its celebration

Abbreviation: tercentenary, tercentennial Examples from the Web for tricentenary Historical Examples of tricentenary

  • Associated words: tercentenary, tricentenary, tri-centennial.

    Putnam’s Word Book

    Louis A. Flemming

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