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self-hardening

[self-hahr-dn-ing, self-] /ˌsɛlfˈhɑr dn ɪŋ, ˈsɛlf-/
adjective
1.
noting or pertaining to any of various steels that harden after heating without quenching or other treatment.
Origin of self-hardening
1900-1905
First recorded in 1900-05
Related forms
self-hardened, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for self-hardening
Historical Examples
  • This alloy, because hardened simply in air, was called “air-hardening” or “self-hardening.”

    Inventors at Work George Iles

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