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carbon arc

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 of carbon arc
1905-10 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for carbon arc
Historical Examples
  • The light, once used for night purse seine fishing, was powered by a carbon arc.

    Smugglers' Reef John Blaine
  • Wastes removed would be destroyed by passage through a carbon arc after innumerable previous sterilizing processes.

    The Hate Disease William Fitzgerald Jenkins
  • We utilize a carbon arc lamp, which has considerable ultraviolet light in it.

    Warren Commission (4 of 26): Hearings Vol. IV (of 15) The President's Commission on the Assassination of President Kennedy
British Dictionary definitions for carbon arc

carbon arc

  1. an electric arc produced between two carbon electrodes, formerly used as a light source
  2. (as modifier): carbon-arc light
  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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