Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
geological period | Yes | No | No | No |
Mississippian | Yes | No | No | No |
geological period (noun) | Mississippian (noun) |
---|---|
a unit of geological time during which a system of rocks formed | a native or resident of Mississippi |
the period from 345 million to 310 million years ago; characterized by an increase of land areas, primitive ammonites and winged insects |