Found 2 items, similar to Ferric oxide.
English → English (WordNet) Definition: ferric oxide ferric oxide n : a red oxide of iron
English → English (gcide) Definition: Ferric oxide 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]