- of, containing, or derived from iron
- Chem. designating or of divalent iron, or compounds containing it
Origin of ferrous; from Classical Latin ferrum, iron (see ferro-) + -ous
Relating to or containing iron, especially with valence 2 or a valence lower than in a corresponding ferric compound.
(comparative more ferrous, superlative most ferrous)
From Latin ferrum (“iron”)