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era
 
Noun era has 2 senses
  1. era, epoch - a period marked by distinctive character or reckoned from a fixed point or event
    --1 is a kind of time period, period of time, period
    --1 has particulars:
     Caliphate; Christian era, Common era; day; historic period, age; modern era
  2. era, geological era - a major division of geological time; an era is usually divided into two or more periods
    --2 is a kind of geological time, geologic time
    --2 is a part of eon, aeon
    --2 has parts: period, geological period
    --2 has particulars:
     Cenozoic, Cenozoic era, Age of Mammals; Mesozoic, Mesozoic era, Age of Reptiles; Paleozoic, Paleozoic era
equus grevyi equus hemionus equus hemionus hemionus equus kiang equus quagga equus zebra zebra equxisite er era eracestable eradiacative eradicable eradicat4e eradicate eradicated eradicating eradication

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