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