See Also: oligocene(medicine)
Oligocene(dictionary)
Oligocene Epoch(encyclopedia)

Oligocene (iou)



Oligocene adjective & noun. M19.
[from OLIGO- + Greek kainos new, recent.]
Geology.
A. adjective. Designating or pertaining to the third epoch of the Tertiary period or sub-era, following the Eocene and preceding the Miocene. M19.
b. noun. The Oligocene epoch; the series of rocks dating from this time. M19.