ferrosilicon
noun
fer·ro·sil·i·con
ˌfer-ō-ˈsi-li-kən 
-lə-ˌkän
: 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
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Despite generating clean geothermal energy and hydropower, major industries including aluminum and ferrosilicon production also produce a third of Iceland’s carbon dioxide.
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Liz Alderman, New York Times, 9 Aug. 2019
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Liz Alderman, New York Times, 9 Aug. 2019
Cite this Entry
“Ferrosilicon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ferrosilicon. Accessed 3 Nov. 2025.
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