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oligocene

/ˈɒl.ɪ.ɡə.siːn/

1 entry

noun

/ˈɒl.ɪ.ɡə.siːn/C2formalscientific
  • ruИмя собственное, обозначающее геологическую эпоху, длившуюся примерно с 40 до 25 миллионов лет назад, известную появлением саблезубых кошек.

A proper noun referring to a geological epoch that lasted from approximately 40 million to 25 million years ago, known for the appearance of sabertoothed cats.

uncountable · proper noun

  1. C2formalscientific

    A geological epoch that lasted from approximately 34 million to 23 million years ago, characterized by the appearance of early sabertoothed cats and the spread of grasslands.

    ruОлигоцен

    • The Oligocene epoch saw the rise of many modern mammal groups.
    • Fossils from the Oligocene include early species of elephants and horses.
    • During the Oligocene, the climate became cooler and drier, leading to the expansion of grasslands.
Forms
  • oligocenes plural form
  • oligocenes' possessive plural form
  • oligocene's possessive singular form