Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
geological era | Yes | No | No | No |
Age of Reptiles | Yes | No | No | No |
geological era (noun) | Age of Reptiles (noun) |
---|---|
a major division of geological time; an era is usually divided into two or more periods | from 230 million to 63 million years ago |