era (EN)
imenica

imenica “era”

sg. era, pl. eras
  1. doba
    The Victorian era is known for its significant advancements in industry and culture.
  2. era (u geologiji, dugi vremenski period koji traje od desetina do stotina miliona godina, dio je eona i podijeljen je na kraće periode)
    The Mesozoic era, known for the reign of dinosaurs, lasted about 180 million years before giving way to the Cenozoic era.