One entry found for carboniferous.

Main Entry: car·bon·if·er·ous
Pronunciation: kär-b-nif-(-)rs
Function: adjective
1 : producing or containing carbon or coal
2 capitalized : of, relating to, or being a period of the Paleozoic era of geological history or the corresponding system of rocks that includes coal beds -- see GEOLOGIC TIME table
- Carboniferous noun

Pronunciation Symbols