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blister copper

noun, Metallurgy
a matte of from 96 to 99 percent copper, having a blistered surface after smelting because of gases generated during solidification.
Origin of blister copper
1860-65 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for blister copper
  • blister copper is fire refined in reverberatory or rotary furnaces known as anode furnaces.
  • It is recovered commercially from anode muds produced during the electrolytic refining of blister copper.
  • These imports include partially smelted matte and crude anode or blister copper.
  • The blister copper from the converter is then refined by either fire or electrolytic methods.
  • Primary copper smelters conventionally produce blister copper after roasting, smelting, and converting.
  • In some cases, the blister copper is purified by fire refining.
British Dictionary definitions for blister copper

blister copper

an impure form of copper having a blister-like surface due to the release of gas during 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
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