Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
geological period | Yes | No | No | No |
Permian | Yes | No | No | No |
geological period (noun) | Permian (noun) |
---|---|
a unit of geological time during which a system of rocks formed | the period from 280 million to 230 million years ago; distinguished by reptiles |