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View synonyms for caseharden
caseharden
[ keys-hahr-dn ]
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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Word History and Origins
Origin of caseharden1
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Example Sentences
I have a peculiar kind of steel which I cannot harden by fire and water, neither will it caseharden by prussiate of potash.
From Project Gutenberg
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