adjective Chemistry.

  1. of or containing iron, especially in the trivalent state.


  1. of or containing iron in the trivalent state: ferric oxide; designating an iron (III) compound

1799, from Latin ferrum “iron” (see ferro-) + -ic. Of iron, especially with a valence of three.


  1. Of, relating to, or containing iron, especially with a valence of 3 or a valence higher than in a corresponding ferrous compound.

  1. Containing iron, especially iron with a valence of 3. Compare ferrous.

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