noun
a geological epoch that lasted from about 2,588,000 to 11,700 years ago, characterized by the presence of humans and the extinction of many large mammals
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The Pleistocene epoch, also known as the Ice Age, lasted from about 2.6 million to 11,700 years ago.
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During the Pleistocene, mammoths and sabertooth cats roamed the Earth.
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Back in the Pleistocene, it was all about survival of the fittest.
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The rapid changes in technology make it feel like we are living in the Pleistocene era of the digital age.