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English to English adjective
| 1 |
of or relating to the Carboniferous geologic era |  | Example: carboniferous rock system
source: wordnet30
| 2 |
relating to or consisting of or yielding carbon | | source: wordnet30
| 3 |
Producing or containing carbon or coal. | | source: webster1913 noun
| 4 |
from 345 million to 280 million years ago | | source: wordnet30
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