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English definition of “carboniferous”


adjective     /ˌkɑː.bəˈnɪf.ər.əs/ US  /ˌkɑːr.bəˈnɪf.ɚ-/ specialized
containing or producing carbon : carboniferous rocks Types of rockPrecious and semi-precious stones
(Definition of carboniferous adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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