air-hardening

air-hard·en·ing

A a

Definition of air-hardening word

adjective air-hardening noting any metal, especially alloy steel, that can be hardened from above its transformation point by cooling in air. 1

before 1905

One of the 15% newest English words

First recorded in 1905-10

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 7% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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