fer·rous
adjective/ˈferəs/
/ˈferəs/
[only before noun] (specialist)- containing iron; connected with iron
含铁的；铁的 - ferrous and non-ferrous metals
黑色及有色金属。
Oxford Collocations DictionaryFerrous is used with these nouns:- metal
Word Originmid 19th cent.: from Latin ferrum ‘iron’ + -ous. - ferrous and non-ferrous metals