Carboniferous Illinois Synonyms

We can't find synonyms for the phrase "Carboniferous Illinois", but we have synonyms for terms, you can combine them.

Carboniferous Synonyms

Illinois Synonyms

CI abbreviation

CI is an abbreviation for Carboniferous Illinois
What does CI stand for?
CI stands for "Carboniferous Illinois"

Definitions for Carboniferous


  • (noun) from 345 million to 280 million years ago

Definitions for Illinois


  • (noun) a midwestern state in north-central United States
  • (noun) a member of the Algonquian people formerly of Illinois and regions to the west
  • (noun) the Algonquian language of the Illinois and Miami