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arc light

Also, arc lamp. a lamp in which the light source is a high-intensity electric arc either between carbon rods in air or between metal electrodes in a xenon gas atmosphere enclosed in a quartz bulb.
the light produced by such a lamp.
Compare carbon arc, xenon arc.
Origin of arc light
An Americanism dating back to 1875-80 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for arc light
Historical Examples
  • An arc light had sprung into being, and—he stopped with a gasp.

    Mixed Faces Roy Norton
  • Do you know that you can make an arc light with two ordinary pencils?

    Common Science Carleton W. Washburne
  • The arc light was too far up the street to be of use to her in this.

  • Fig. 276 shows the appearance of the two carbons in an arc light.

    Physics Willis Eugene Tower
  • The arc light, swinging above, revealed this figure as that of him she awaited.

    Penrod Booth Tarkington
  • The mast also serves to carry an arc light for night traveling, and our flag by day.

    A. D. 2000 Alvarado M. Fuller
  • Davy produced an arc light with a battery of four thousand cells.

    The Story of Great Inventions Elmer Ellsworth Burns
  • The arc light is the result of frictional not chemical electricity.

  • It must have been the arc light over the entrance which shines in from the angle.

    The Reason Why Elinor Glyn
  • I do not know if there was a moon, but there was the urban substitute for it—the arc light.

    The Man in Lower Ten Mary Roberts Rinehart
British Dictionary definitions for arc light

arc light

a light source in which an arc between two electrodes, usually carbon, produces intense white illumination Also called arc lamp
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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