carboniferous
adjective/ˌkɑrbəˈnɪfərəs/
Frequency rank: #14,019 most common English word
Meaning
relating to or containing carbon or coal, especially referring to the geological period when vast coal deposits were formed.
Example sentence
The region is known for its carboniferous rock formations, which date back hundreds of millions of years.
Synonyms & related words
- coal-bearing
- carbon-rich
- coaly
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