ferrous

adjective

containing iron

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Wiktionary

Pronunciation: /ˈfɛɹəs/

adj

Etymology: From Latin ferrum (“iron”).

Of or containing iron.
“ferrous metals”
“ferrous scrap”
Of compounds of iron in which it has a valence or oxidation number of +2.
Of an element: iron, or in certain ways similar to iron. (Said mainly of iron group elements, in any sense of that term.)
“ferrous metals”