ferrous

• POS: Adjective
• HYPHEN: fer=rous

CIDE DICTIONARY

ferrous, a. [Cf. F. ferreux. See Ferreous.].

 Pertaining to, or derived from, iron; -- especially used of compounds of iron in which the iron has its lower valence of two; as, ferrous sulphate.  [1913 Webster]

OXFORD DICTIONARY

ferrous, adj.
1 containing iron (ferrous and non-ferrous metals).
2 Chem. containing iron in a divalent form (cf. FERRIC).

Etymology

L ferrum iron