flame hardening

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noun

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

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His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Words nearby flame hardening

flame cultivator, flame cutting, flamefish, flame-fusion process, flame gun, flame hardening, flame lamp, flamen, flamenco, flame-of-the-forest, flame-of-the-woods

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