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English definition of “century”

century

noun [C] uk   /ˈsen.tʃər.i/ us  
A2 a period of 100 years: The city centre has scarcely changed in over a century. This sculpture must be centuries old. Her medical career spanned half a century.
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a period of 100 years counted from what is believed to be the year of the birth of Jesus Christ: Rome was founded in the eighth century BC (= before Christ). He's an expert on 15th-century Italian art. a score of 100 runs in cricket the turn of the century the time when one century ends and another begins: The museum reopened at the turn of the century.
(Definition of century from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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