Adjective: carboniferous ,kaa(r)-bu'ni-fu-rus
- Of or relating to the Carboniferous geologic era
"carboniferous rock system"
- Relating to or consisting of or yielding carbon
"They studied carboniferous rock formations";
- carbonaceous, carbonous, carbonic
- The geological period from about 359 million to 299 million years ago, characterized by extensive coal formations
"Many coal deposits were formed during the Carboniferous period";
- Carboniferous period
Type of: geological period, period
Part of: Palaeozoic [Brit, Cdn], Paleozoic, Paleozoic era
Encyclopedia: Carboniferous