Found 2 items, similar to oligocene.
English → English (WordNet) Definition: Oligocene Oligocene n : from 40 million to 25 million years ago; appearance of sabertoothed cats [syn: Oligocene epoch]
English → English (gcide) Definition: Oligocene Oligocene \Ol"i*go*cene\, a. [Oligo- + Gr. ? new, recent.] (Geol.) 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. [1913 Webster]