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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

Words nearby air-hardening

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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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