eocene | ||
1. | [ noun ] (geology) from 40 million to 58 million years ago; presence of modern mammals | |
Synonyms: | Eocene_epoch | |
Related terms: | epoch Tertiary | |
Similar spelling: |
eosin |
eocene | ||
1. | [ noun ] (geology) from 40 million to 58 million years ago; presence of modern mammals | |
Synonyms: | Eocene_epoch | |
Related terms: | epoch Tertiary | |
Similar spelling: |
eosin |