cementite

cementite

[si-men-tahyt]
noun Metallurgy.
an iron carbide, Fe 3 C, a constituent of steel and cast iron, sometimes with part of its iron replaced by another metal, as manganese.

Origin:
1885–90; cement + -ite1

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World English Dictionary
cementite (sɪˈmɛntaɪt)
 
n
the hard brittle compound of iron and carbon that forms in carbon steels and some cast irons. Formula: Fe3C

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