Definition of Plio–Pleistocene in English:

Plio–Pleistocene

adjective

Geology
  • 1Relating to or linking the Pliocene and Pleistocene epochs or rock systems together.

    • ‘My current research focuses on the evolution of Plio-Pleistocene climate.’
    1. 1.1as noun the Plio–Pleistocene The Pliocene and Pleistocene epochs together or the system of rocks deposited during them.