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[see-muh n-tey-shuh n, -men-, sem-uh n-]
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  1. the act, process, or result of cementing.
  2. 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. 2018

Examples from the Web for cementation

Historical Examples

  • The product obtained by this method is known as cementation steel.

    Commercial Geography</p>

    Jacques W. Redway

  • The most common method of forming steel is by the process of cementation.

  • It seems probable that the Ancients did part gold and silver by cementation.

    De Re Metallica

    Georgius Agricola

  • That it refers to cementation at all hangs by a slender thread, but it seems more nearly this than anything else.

    De Re Metallica

    Georgius Agricola

  • He also gives the method of parting with antimony and sulphur, and by cementation with common salt.

    De Re Metallica

    Georgius Agricola

British Dictionary definitions for cementation


  1. 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
  2. the process of cementing or being cemented
  3. 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

Word Origin and History for cementation


1590s, from cement + -ation.

Online Etymology Dictionary, © 2010 Douglas Harper

cementation in Science


  1. 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.

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