Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun era

3 senses of era

Sense 1
era, epoch -- (a period marked by distinctive character or reckoned from a fixed point or event)
       => time period, period of time, period -- (an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period")

Sense 2
era, geological era -- (a major division of geological time; an era is usually divided into two or more periods)
       => geological time, geologic time -- (the time of the physical formation and development of the earth (especially prior to human history))

Sense 3
earned run average, ERA -- ((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)
       => standard, criterion, measure, touchstone -- (a basis for comparison; a reference point against which other things can be evaluated; "the schools comply with federal standards"; "they set the measure for all subsequent work")