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L-D converter

noun
  1. metallurgy a vessel in which steel is made from pig iron by blowing oxygen into the molten metal through a water-cooled tube
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Word Origin for L-D converter

C20: L(inz)-D(onawitz), from the Austrian towns of Linz and Donawitz, where the process was first used successfully
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