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Case harden has 34 synonyms. The top synonyms for case harden are harden, steel, temper, season, prop, gird, toughen, support and 26 more. Another word for case harden is harden. Browse the full list below.
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| Random | DefinitionA common synonym for case harden is harden. Other synonyms include steel, temper, season, prop.
Case harden has 34 synonyms listed on Thesaurasize.
(v): to impart greater hardness to the surface of a piece of metal
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