FLAME-HARDEN


Meaning of FLAME-HARDEN in English

ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ transitive verb

: to harden (a ferrous alloy) by heating above the transformation temperature and then cooling as rapidly as necessary

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.