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Definitions of carboniferous
  1. noun
    from 345 million to 280 million years ago
  2. adjective
    relating to or consisting of or yielding carbon
  3. of or relating to the Carboniferous geologic era
    "carboniferous rock system"
Definition that contains carboniferous
  • pecopteris Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb
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