[ see-muh n-tey-shuh n, -men-, sem-uh n- ]
/ ˌsi mənˈteɪ ʃən, -mɛn-, ˌsɛm ən- /


the act, process, or result of cementing.
Metallurgy. the heating of two substances in contact in order to effect some change in one of them, especially, the formation of steel by heating iron in powdered charcoal.

Origin of cementation

First recorded in 1585–95; cement + -ation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cementation

British Dictionary definitions for cementation

/ (ˌsiːmɛnˈteɪʃən) /


the process of heating a solid with a powdered material to modify the properties of the solid, esp the heating of wrought iron, surrounded with charcoal, to 750–900°C to produce steel
the process of cementing or being cemented
civil engineering the injection of cement grout into fissured rocks to make them watertight
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

Science definitions for cementation

[ sē′mĕn-tāshən ]

A metallurgical coating process in which a metal or alloy such as iron or steel is immersed in a powder of another metal, such as zinc, chromium, or aluminum, and heated to a temperature below the melting point of either. Cementation is often employed to increase resistance to oxidation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.