Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
Permian period | Yes | No | No | No |
Paleozoic era | Yes | No | No | No |
Permian period (noun) | Paleozoic era (noun) |
---|---|
the period from 280 million to 230 million years ago; distinguished by reptiles | from 544 million to about 230 million years ago |