ferroalloy

(fer′ō al′o̵i′, -ə lo̵i′)

noun

any of various alloys of iron used in the manufacture of steel: named from the added metal, as ferrochromium, ferromanganese, etc.

See ferroalloy in American Heritage Dictionary 4

noun

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.

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