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carbon arc

noun
1.
an electric arc between two carbon electrodes, used mainly for lighting, as in an arc light for a motion-picture projector, or for intense heating, as in the cutting and welding of metals.
Origin
1905-1910
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for carbon arc

carbon arc

noun
1.
  1. an electric arc produced between two carbon electrodes, formerly used as a light source
  2. (as modifier): carbon-arc light
2.
  1. an electric arc produced between a carbon electrode and material to be welded
  2. (as modifier): carbon-arc welding
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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Word Value for carbon

10
13
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