 carboniferous |
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| 1. | [ adjective ] (geology) of or relating to the Carboniferous geologic era | |
| Examples: | "carboniferous rock system" |
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| 2. | [ adjective ] relating to or consisting of or yielding carbon | |
| Synonyms: | carbonous carbonic carbonaceous | |
| Related terms: | carbon carbon carbon | |
| 3. | [ noun ] (geology) from 280 million to 345 million years ago | |
| Synonyms: | Carboniferous_period | |
| Related terms: | period Paleozoic Mississippian Pennsylvanian | |
| Similar spelling: |
carbonaceous carbon_paper carbonization carbonisation carbonic_acid carbonized carbondale carbon_arc carbonyl_group Carbonneau carbonation carbon_process |
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