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self-hardening

[ self-hahr-dn-ing, self- ]

adjective

  1. noting or pertaining to any of various steels that harden after heating without quenching or other treatment.


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Other Words From

  • self-hardened adjective

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Word History and Origins

Origin of self-hardening1

First recorded in 1900–05

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Example Sentences

Its alloy is much used for high-speed cutting tools, the steel hardening when cooled in the air and being called self-hardening.

This alloy, because hardened simply in air, was called “air-hardening” or “self-hardening.”

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