See also: case harden

English

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Alternative forms

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Etymology

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From case +‎ harden.

Verb

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caseharden (third-person singular simple present casehardens, present participle casehardening, simple past and past participle casehardened)

  1. To harden the surface of iron or steel by infusing carbon into the surface layer.
  2. (by extension) To make insensitive to hardship.

Translations

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