Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- transitive verb To harden the surface or case of (iron or steel) by high-temperature shallow infusion of carbon followed by quenching.
- transitive verb To make callous or insensitive.
from The Century Dictionary.
- To harden the outer part or surface of, as anything made of iron, by converting the iron into steel.
from the GNU version of the Collaborative International Dictionary of English.
- transitive verb To subject to a process which converts the surface of iron into steel.
- transitive verb To render insensible to good influences.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- verb To
harden thesurface ofiron orsteel byinfusing carbon into the surface layer - verb by extension To make
insensitive tohardship
Etymologies
Sorry, no etymologies found.
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Examples
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A Uberti in 44-40 Blue/caseharden Steel, NM, 5 l/2 bbl, Walnut grips.
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I am persuaded that all valetudinarians are too sedentary, too regular, and too cautious — We should sometimes increase the motion of the machine, to unclog the wheels of life; and now and then take a plunge amidst the waves of excess, in order to caseharden the constitution.
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The same salt may be used to caseharden wrought iron.
Scientific American Supplement, No. 430, March 29, 1884 Various
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