Dictionary.com
definitions
  • synonyms
British Dictionary definitions for flame hardening

flame hardening

noun
  1. engineering the surface hardening of ferrous metals by heating the metal with an oxyacetylene flame followed by rapid cooling
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