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[fer-oh-sil-i-kuh n, -kon] /ˌfɛr oʊˈsɪl ɪ kən, -ˌkɒn/
a ferroalloy containing up to 95 percent silicon.
Origin of ferrosilicon
1880-85; ferro- + silicon Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ferrosilicon
  • Of those companies, three produced ferrosilicon in four plants.
  • In the form of ferrosilicon, silicon is used for deoxidizing and as a strengthening alloy in the production of iron and steel.
  • Of those companies, four produced ferrosilicon in four plants.
  • However, ferrosilicon is made from scrap steel and quartzite in the presence of metallurgical coal as the reducing agent.
  • There was also a significant increase in demand for silica gravel which is used for the production of silicon and ferrosilicon.
British Dictionary definitions for ferrosilicon


an alloy of iron and silicon, used in making cast iron and steel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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