carboniferous (adj.)

  1. of or relating to the Carboniferous geologic era; carboniferous rock system'

  2. relating to or consisting of or yielding carbon

    [ Syn: carbonaceous , carbonous , carbonic ]

    Carboniferous (n.)

  1. from 345 million to 280 million years ago

    [ Syn: carboniferous , carboniferous period ]

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