Oligocene

Definition:

• (a.) Of, pertaining to, or designating, certain strata which occupy an intermediate position between the Eocene and Miocene periods.
• (n.) The Oligocene period. See the Chart of Geology.

Compare oligocene with other words:

climate vs. oligocene

oligocene vs. warm

evolution vs. oligocene

oligocene vs. period

epoch vs. oligocene

geologic vs. oligocene