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eras Definition

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eras
noun(e-ra)
a period marked by distinctive character or reckoned from a fixed point or event
Synonyms: epoch,
eras
noun(e-ra)
a major division of geological time; an era is usually divided into two or more periods
Synonyms: geological era,
eras
noun(e-ra)
(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
Synonyms: earned run average,

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