noun Date: 1882 an alloy of iron and silicon containing 15 to 95 percent silicon and used for deoxidizing molten steel and making silicon steel and high-silicon cast iron
FERROSILICON
Meaning of FERROSILICON in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012