'Ferric acid' definitions:
Definition of 'Ferric acid'
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]