air-hardening
[ air-hahr-dn-ing ]
/ ˈɛərˌhɑr dn ɪŋ /
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adjective Metallurgy.
noting any metal, especially alloy steel, that can be hardened from above its transformation point by cooling in air.
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Origin of air-hardening
First recorded in 1905–10
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use air-hardening in a sentence
This alloy, because hardened simply in air, was called “air-hardening” or “self-hardening.”
Inventors at Work|George Iles
British Dictionary definitions for air-hardening
air hardening
noun
a process of hardening high-alloy steels by heating and cooling in a current of airCompare oil hardening
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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