neogene

/N IY1 AH0 JH IY0 N/
adjective
  1. 1

    (geology) Of a geologic period within the Cenozoic era; comprises the Miocene, Pliocene, Pleistocene and Holocene epochs from about 26 million years ago to the present.

noun
  1. 1

    (geology) The Neogene period.