definitions
  • synonyms

face-harden

[ feys-hahr-dn ]
/ ˈfeɪsˌhɑr dn /

verb (used with object)

to harden the surface of (metal), as by chilling or casehardening.

RELATED CONTENT

Lenny FaceRead more in this article about some frequently asked questions and fun facts related to our definitions.
READ MORE

Nearby words

face with, face-ache, face-bow, face-centered, face-centred, face-harden, face-lift, face-nail, face-off, face-plant, face-saver

Origin of face-harden

First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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