caseharden
[ keys-hahr-dn ]
/ ˈkeɪsˌhɑr dn /
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verb (used with object)
Metallurgy. to make the outside surface of (an alloy having an iron base) hard by carburizing and heat treatment, leaving the interior tough and ductile.
to harden in spirit so as to render insensible or insensitive to external impressions or influences; make callous.
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The rainy weather could not ________ my elated spirits on my graduation day.
Words nearby caseharden
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for caseharden
I have a peculiar kind of steel which I cannot harden by fire and water, neither will it caseharden by prussiate of potash.
British Dictionary definitions for caseharden
case-harden
verb (tr)
metallurgy to form a hard surface layer of high carbon content on (a steel component) by heating in a carburizing environment with subsequent quenching or heat treatment
to harden the spirit or disposition of; make callousexperience had case-hardened the judge
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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