[see-muhn-tey-shuhn, -men-, sem-uhn-]
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.

1585–95; cement + -ation

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World English Dictionary
cementation (ˌsiːmɛnˈteɪʃən)
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

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Word Origin & History

1594, from cement.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
cementation   (sē'měn-tā'shən)  Pronunciation Key 
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
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Example sentences
Identify the degree of cementation if any is present.
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