cementite

American  

[si-men-tahyt] / sɪˈmɛn taɪt /

noun

Metallurgy.

1. 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.

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cementite British  

/ sɪˈmɛntaɪt /

noun

1. the hard brittle compound of iron and carbon that forms in carbon steels and some cast irons. Formula: Fe 3 C

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Etymology

Origin of cementite

First recorded in 1885–90; cement + -ite ¹

Example Sentences

I think," said Hoddan, "that we can make an electronic field that'll soften the cementite between the crystals of steel, without heating up anything else.

From Project Gutenberg

The growth is continually destroyed by the hammering, which should consequently be continued down to the upper critical temperature when the austenite crystals break up into ferrite and cementite.

From Project Gutenberg

He is then able to pick out its component minerals, ferrite, austenite, martensite, pearlite, graphite, cementite, and to show how their abundance, shape and arrangement contribute to the strength or weakness of the specimen.

From Project Gutenberg

A final steel will be composed of pearlite; ferrite and pearlite; or cementite and pearlite, according to the carbon content.

From Project Gutenberg

One of these is pure iron, and the other is pure cementite.

From Project Gutenberg