Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
geological period | Yes | No | No | No |
Pennsylvanian | Yes | No | No | No |
geological period (noun) | Pennsylvanian (noun) |
---|---|
a unit of geological time during which a system of rocks formed | a native or resident of Pennsylvania |
the period from 310 million to 280 million years ago; characterized by warm climate and swampy land |