FERRO- Meaning of FERRO- in English [ 'fɛrəʊ ]■ combining form1》 containing iron: ferroconcrete.2》 Chemistry of iron with a valency of two; ferrous. Compare with ferri- .Originfrom L. ferrum 'iron'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004