ferruginous
/fəˈruːdʒɪnəs/
adjective
- Containing or resembling iron, especially in color; rust-colored or reddish-brown.
- The ferruginous soil in the canyon gave the cliffs a striking red hue.
- The old pipe left a ferruginous stain on the bathroom sink.
- A ferruginous hawk gets its name from the rusty color of its feathers.