American English

Definition of centennial noun from the Oxford Advanced American Dictionary

 

centennial

 noun
noun
NAmE//sɛnˈtɛniəl//
 
(also centenary)
 
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the 100th anniversary of an event The year 1889 was the centennial of the inauguration of George Washington. the centennial year centennial celebrations see also bicentennial
See the Oxford Advanced Learner's Dictionary entry: centennial