- of, containing, or having the nature of, iron
- having the color of iron rust; reddish-brown
Origin of ferruginousClassical Latin ferruginus from ferrugo, iron rust, color of iron rust from ferrum, iron: see ferro-
- Of, containing, or similar to iron.
- Having the color of iron rust; reddish-brown.
Origin of ferruginousFrom Latin ferrūginus from ferrūgō ferrūgin- iron rust from ferrum iron
From Latin ferrūginus, from ferrūgo.