鉄てつ合ごう金きんてつごうきんMeanings1nounferroalloyTechnical term for an alloy of iron with one or more other elements, used in steelmaking and metallurgy.See also: 合金鉄鉄てつ合ごう金きんは製せい鋼こうにおいて重じゅう要ような役やく