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self-hardening
[ self-hahr-dn-ing, self- ]
adjective
- 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-hardened 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.
From Project Gutenberg
This alloy, because hardened simply in air, was called “air-hardening” or “self-hardening.”
From Project Gutenberg
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