Oligocene
Pronunciation : Ol"i*go*cene
Part of Speech : a.
Etymology : [Oligo- + Gr. (Geol.)
Definition : Defn: Of, pertaining to, or designating, certain strata which occupy an intermediate position between the Eocene and Miocene periods. -- n.
Defn: The Oligocene period. See the Chart of Geology.
Source : Webster's Unabridged Dictionary, 1913