Definition of Pleistocene in English:



  • 1Relating to or denoting the first epoch of the Quaternary period, between the Pliocene and Holocene epochs.

    • ‘First, no haplotypes are shared between Holocene and Pleistocene spotted hyenas.’
    • ‘In Japan, decapods associated with coral reef deposits were described in Miocene and Pliocene and Pleistocene rocks.’
    • ‘In general, species richness in the Miocene and Pliocene was high whereas Pleistocene and Recent diversity is very low.’
    • ‘What is most difficult in tectonic geomorphological studies is to establish the late Pleistocene - Holocene chronology.’
    • ‘It strongly supports Pliocene and Pleistocene australopithecines being ancestral not to humans but to modern African pongids.’
    1. 1.1The Pleistocene epoch or the system of deposits laid down during it.


Mid 19th century: from Greek pleistos most + kainos new.