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pyrometallurgy

[pahy-ruh-met-l-ur-jee]
noun
  1. the process or technique of refining ores with heat so as to accelerate chemical reactions or to melt the metallic or nonmetallic content.
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Origin of pyrometallurgy

First recorded in 1905–10; pyro- + metallurgy
Related formspy·ro·met·al·lur·gi·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for pyrometallurgy

pyrometallurgy

noun
  1. the branch of metallurgy involving processes performed at high temperatures, including sintering, roasting, smelting, casting, refining, alloying, and heat treatment
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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