Sinhala Dictionary definitions for oligocene
oligocene 🔊 /ɑˈlʌgowsiˌn/
oligocene : තුන්වෙනි භූගෝලීය කාලපරිච්ඡේදයට අයත්
oligocene : ඔලිගෝසීන
oligocene definition
Adjective. Of, pertaining to, or designating, certain strata which occupy an intermediate position between the Eocene and Miocene periods.
Noun. The Oligocene period. See the Chart of Geology.