Dictionary

case–harden

verb case–hard·en \ˈkās-ˌhär-dən\

Definition of CASE-HARDEN

transitive verb
1
:  to harden (a ferrous alloy) so that the surface layer is harder than the interior
2
:  to make callous or insensible
case–hard·ened adjective

First Known Use of CASE-HARDEN

1677

Rhymes with CASE-HARDEN

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May 28, 2015
fictioneer Hear it
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