sestercentenary
UK /ˌsɛstəˌsɛnˈtiːnəɹi/US /ˌsɛstəɹˌsɛnˈtɛnəɹi/
adjective1
noun1
- A 250th anniversary.
- The city of New York celebrated its sestercentenary in 1903.
forms
sestercentenaries
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