bicentennial /ˌbaɪsɛnˈtɛnijəl/ noun plural bicentennials
plural bicentennials
Learner's definition of BICENTENNIAL
[count] US
: a 200th anniversary or its celebration*200周年纪念;200周年庆典 -
The United States celebrated its bicentennial [=(Brit) bicentenary] in 1976. [=celebrated the fact that it was 200 years old]美国于1976年举行了建国200周年庆典。
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Next year is the bicentennial of the school's founding [=the year 200 years after the school was started]明年是这所学校建校200周年。
— compare centennial
— bicentennial
adjective, always used before a noun