DICT.TW Dictionary Taiwan

 Fer·ric a.  Pertaining to, derived from, or containing iron. Specifically Chem., denoting those compounds in which iron has a higher valence than in the ferrous compounds; as, ferric oxide; ferric acid.
 Ferric acid Chem., an acid, H2FeO4, which is not known in the free state, but forms definite salts, analogous to the chromates and sulphates.
 Ferric oxide Chem., sesquioxide of iron, Fe2O3; hematite. See Hematite.
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