| 单词 | earned run average |
| 释义 | earned run average in American English US Baseball the average number of earned runs allowed by a pitcher for each nine innings pitched earned run average in American Englishnoun Baseball a measure of the effectiveness of a pitcher, obtained by dividing the number of earned runs scored against the pitcher by the number of innings pitched and multiplying the result by nine. A pitcher yielding three earned runs in nine innings has an earned run average of 3.00 Abbreviation: ERA, era Word origin [1945–50]This word is first recorded in the period 1945–50. Other words that entered Englishat around the same time include: RNA, ergative, shootout, spin-off, synchronized swimmingExamples of 'earned run average' in a sentence |
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