'Ferric oxide' definitions:

Definition of 'ferric oxide'

From: WordNet
noun
A red oxide of iron

Definition of 'Ferric oxide'

From: GCIDE
  • Ferric \Fer"ric\, a. [L. ferrum iron: cf. F. ferrique. See Ferrous.] 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. [1913 Webster]
  • 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. [1913 Webster]