Akademik
Oligocene epoch
noun
from 40 million to 25 million years ago
;
appearance of sabertoothed cats
•
Syn
: ↑
Oligocene
•
Instance Hypernyms
: ↑
epoch
•
Part Holonyms
: ↑
Tertiary
, ↑
Tertiary period
Useful english dictionary
.
2012
.