noun (n)

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

  tempoh pancaran khas aksara atau berpendapat dari satu titik atau peristiwa

  Synonym:
  epoch
  

  source: wordnet30
• a major division of geological time; an era is usually divided into two or more periods

  mayor divisi geologi waktu; sebuah era biasanya dibagi dalam tempoh dua atau lebih

  Synonym:
  geological era
  

  source: wordnet30
• (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

  (baseball) ukuran pitcher efektivitas; dihitung sebagai purata bilangan memperoleh menjalankan diizinkan oleh pitcher untuk setiap babak bernada sembilan

  Synonym:
  earned run average
  

  source: wordnet30
• A fixed point of time, usually an epoch, from which a series of years is reckoned.

  satu titik waktu, biasanya sebuah epok, dari mana serangkaian tahun ini berpendapat.

  source: webster1913