carboniferous - definition, thesaurus and related words from WordNet-Online

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Adjective carboniferous has 2 senses

carboniferous - of or relating to the Carboniferous geologic era; "carboniferous rock system"
carbonaceous, carbonous, carbonic, carboniferous - relating to or consisting of or yielding carbon

Noun carboniferous has 1 sense

Carboniferous, Carboniferous period - from 345 million to 280 million years ago
--₁ is a kind of period, geological period
--₁ is a part of Paleozoic, Paleozoic era
--₁ has parts:
Pennsylvanian, Pennsylvanian period, Upper Carboniferous, Upper Carboniferous period; Mississippian, Missippian period, Lower Carboniferous, Lower Carboniferous period