noun Metallurgy.

an iron carbide, Fe3C, a constituent of steel and cast iron, sometimes with part of its iron replaced by another metal, as manganese.

Origin of cementite

First recorded in 1885–90; cement + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cementite

Historical Examples of cementite

British Dictionary definitions for cementite



the hard brittle compound of iron and carbon that forms in carbon steels and some cast irons. Formula: Fe 3 C
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012