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Definition of ERA
Pronunciation : ERA

noun : ERA

Source:WordNet 3.1

  • 1. (

    ) a period marked by distinctive character or reckoned from a fixed point or event ;

  • 2. (

    ) a major division of geological time; an era is usually divided into two or more periods ;

  • 3. (

    ) (baseball) a measure of a pitcher's effectiveness; calculated as the average number of earned runs allowed by the pitcher for every nine innings pitched ;

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