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| Mi·o·cene [ m ə sn ] |
noun |
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| Definition: |
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geologic epoch: the epoch of geologic time, 24 million to 5 million years ago, during which the modern ocean currents were established and Antarctica became frozen
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| [Mid-19th century. < Greek meiōn "less" + kainos "recent"] |
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 Mi·o·cene adjective |
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