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A hard brittle iron carbide, Fe3C, found in steel with more than 0.85 percent carbon.
(Elements & Compounds) the hard brittle compound of iron and carbon that forms in carbon steels and some cast irons. Formula: Fe3C
an iron carbide, Fe3C, a constituent of steel and cast iron, sometimes with part of its iron replaced by another metal, as manganese.
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|Noun||1.||cementite - a chemical compound that is a constituent of steel and cast iron; very hard and brittle|
chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
pearlite - a lamellar mixture of cementite and ferrite formed during the cooling of austenite; a constituent of steel and cast iron