noun[mass noun] Metallurgy
A hard, brittle iron carbide present in cast iron and most steels.
More example sentences
- This cementite is hard (Brinell hardness 600 +), brittle and brilliantly white.
- The harder pearlite is comprised of alternating thin layers or shells of ferrite and cementite, a very hard substance.
- It has been shown how the difference in solubility of carbon in austenite and ferrite leads to the familiar ferrite / cementite aggregates in plain carbon steels.
Definition of cementite in:
- The US English dictionary