Definition of carboniferous

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  • carboniferous is a valid Scrabble US word with a point value of 20
  • carboniferous is a valid Scrabble UK word with a point value of 20
  • carboniferous is a valid Words with friends word with a point value of 24

Definition of carboniferous

  • from 345 million to 280 million years ago (noun)

    Synonyms

    1. carboniferous period
  • relating to or consisting of or yielding carbon (adjective)

    Synonyms

    1. carbonaceous
    2. carbonic
    3. carbonous
  • of or relating to the Carboniferous geologic era ()

    Examples

    1. carboniferous rock system

See definition of carboniferous in Merriam Webster