FERROUS Meaning of FERROUS in English [ 'fɛrəs ]■ adjective1》 (chiefly of metals) containing or consisting of iron. 2》 Chemistry of iron with a valency of two; of iron(II).OriginC19: from L. ferrum 'iron' + -ous . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004