ferroalloy[fer′ō al′o̵i′, -ə lo̵i′]
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
any of various alloys of iron used in the manufacture of steel: named from the added metal, as ferrochromium, ferromanganese, etc.
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of various alloys of iron and one or more other elements, such as manganese or silicon, used as a raw material in the production of steel.