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Meaning of self-hardening | Babel Free

Adjective CEFR C2

Definitions

Designating, or pertaining to, any of various steels that harden when heated to above a red heat and cooled in air, usually in a blast of cold air with moderate rapidity, without quenching. Such steels are alloys of iron and carbon with manganese, tungsten and manganese, chromium, molybdenum and manganese, etc. They are chiefly used as high speed steels.

not-comparable

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

self-hateful self-hating self-healing self-heating self-helixing self-helpish

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