American English

Definition of era noun from the Oxford Advanced American Dictionary



    , NAmE//ˈɛrə//
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  1. 1a period of time, usually in history, that is different from other periods because of particular characteristics or events the colonial/modern/post-war era When she left the company, it was the end of an era (= things were different after that). a new era of peace
  2. 2(geology) a length of time that is a division of an eon
See the Oxford Advanced Learner's Dictionary entry: era