Synonyms for
carboniferous
1. carboniferous (adj.)
relating to or consisting of or yielding carbon
Synonyms:
carbonous
carbonaceous
carbonic
2. Carboniferous (n.)
from 345 million to 280 million years ago
Synonyms:
Pennsylvanian period
Carboniferous period
Paleozoic
Lower Carboniferous
Mississippian
Pennsylvanian
Paleozoic era
Lower Carboniferous period
Missippian period
Upper Carboniferous
Upper Carboniferous period
