അർത്ഥം : A major division of geological time. An era is usually divided into two or more periods.
പര്യായപദങ്ങൾ : geological era
അർത്ഥം : (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.
പര്യായപദങ്ങൾ : earned run average