Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun carboniferous
1 sense of carboniferous
Sense 1
Carboniferous, Carboniferous period -- (from 345 million to 280 million years ago)
INSTANCE OF=> period, geological period -- (a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods")
Similarity of adj carboniferous
2 senses of carboniferous
Sense 1
carboniferous -- (of or relating to the Carboniferous geologic era; "carboniferous rock system")
Sense 2
carbonaceous, carbonous, carbonic, carboniferous -- (relating to or consisting of or yielding carbon)