air-hardening

[ air-hahr-dn-ing ]
/ ˈɛərˌhɑr dn ɪŋ /

adjective Metallurgy.

noting any metal, especially alloy steel, that can be hardened from above its transformation point by cooling in air.

QUIZZES

PRACTICE SOME ESCAPISM WITH THIS WORD OF THE DAY QUIZ!

We salute you if you remember all the doovers from Word of the Day between May 25 and May 31!
Question 1 of 7
salute

Origin of air-hardening

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for air-hardening

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

    Inventors at Work|George Iles