ferruginous

[ fuh-roo-juh-nuh s ]
/ fəˈru dʒə nəs /

adjective

Geology. iron-bearing: ferruginous clays.
of the color of iron rust.

Origin of ferruginous

1655–65; < Latin ferrūginus rust-colored, derivative of ferrūgin-, stem of ferrūgō iron-rust, derivative of ferrum iron; see -ous

Example sentences from the Web for ferruginous

British Dictionary definitions for ferruginous

ferruginous
/ (fɛˈruːdʒɪnəs) /

adjective

(of minerals, rocks, etc) containing iron a ferruginous clay
rust-coloured

Word Origin for ferruginous

C17: from Latin ferrūgineus of a rusty colour, from ferrūgō iron rust, from ferrum iron

Medical definitions for ferruginous

ferruginous
[ fə-rōōjə-nəs ]

adj.

Associated with or containing iron.
Having the color of iron rust; reddish-brown.