Definition of tercentennial in English:

tercentennial

noun & adjective

  • another term for tercentenary
    • ‘Administrators said they had always hoped to secure funds from alumni to pay for tercentennial events.’
    • ‘Yale University has much to be proud of, and now this distinguished university is celebrating it's tercentennial.’
    • ‘According to a senior officer of the Chief Minister's Office, the leaders have conveyed their tentative programmes to participate in the ceremonies associated with the extremely emotional tercentennial for the Sikh community.’

Pronunciation

tercentennial

/təːsɛnˈtɛnɪəl/