| 1. Carboniferous [ Synonyms: carboniferous period] | |
|
From 345 million to 280 million years ago
|
|
| 1. Carboniferous | |
|
Of or relating to the Carboniferous geologic era
"carboniferous rock system";
|
|
| 2. Carboniferous [ Synonyms: carbonaceous, carbonic, carbonous] | |
|
Relating to or consisting of or yielding carbon
|
کاربنی۔ |