MIOCENE
- of or pertaining to a certain geologic time period [adj]
- noting or pertaining to an epoch of the Tertiary Period, occurring from 25 to 10 million years ago, when grazing mammals became widespread
- the Miocene Epoch or Series
- of, relating to, or being an epoch of the Tertiary between the Pliocene and the Oligocene or the corresponding series of rocks see geologic time table
- denoting the fourth epoch of the Tertiary period [adj]