フェロシリコンフェロシリコンMeanings1nounferrosiliconchemistryAn alloy of iron and silicon used mainly in steelmaking and as a deoxidizer. Technical term in chemistry and metallurgy.製せい鋼こう工こう程ていではフェロシリコンを添てん加かして脱だっ酸さんする。In the steelmaking process, ferrosilicon is added for deoxidation.