Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
Tertiary period | Yes | No | No | No |
Eocene epoch | Yes | No | No | No |
Tertiary period (noun) | Eocene epoch (noun) |
---|---|
the period from 63 million to 2 million years ago | from 58 million to 40 million years ago; presence of modern mammals |