Definition of post-Pliocene in US English:

post-Pliocene

adjective

Geology
  • Of, relating to, or designating the period of time subsequent to the Pliocene epoch; formed or occurring subsequent to the Pliocene epoch.

noun

Geology
  • The post-Pliocene period; the series of deposits dating from this time. Now rare.

Origin

Mid 19th century; earliest use found in Charles Lyell (1797–1875), geologist. From post- + Pliocene.

Pronunciation

post-Pliocene

/ˌpəʊs(t)ˈplʌɪə(ʊ)siːn/