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face-harden

[ feys-hahr-dn ]
/ ˈfeɪsˌhɑr dn /
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verb (used with object)
to harden the surface of (metal), as by chilling or casehardening.
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Origin of face-harden

First recorded in 1895–1900

Words nearby face-harden

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use face-harden in a sentence

British Dictionary definitions for face-harden

face-harden

verb
(tr) to harden the surface of (steel or iron) by the addition of carbon at high temperature
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
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