| 单词 | caseharden |
| 释义 | caseharden[ keys-hahr-dn ] / ˈkeɪsˌhɑr dn / SEE SYNONYMS FOR caseharden ON THESAURUS.COM 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. Origin of casehardenFirst recorded in 1670–80; case2 + harden Words nearby casehardencase fatality rate, casefy, case glass, case goods, case grammar, caseharden, case history, casein, caseinate, casein glue, caseinogen Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for caseharden
British Dictionary definitions for casehardencase-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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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