Definitions

1. noun

The middle of three epochs into which the Tertiary period is divided, characterized by the formation of most of the world’s coal deposits and the origin of modern horses, rhinoceroses, and camels.

“The Miocene epoch saw significant changes in the Earth’s climate and geology.”

2. adjective

Relating to the Miocene epoch or period.

“The fossil found in the Miocene deposits provided valuable insights into the evolution of the species.”