Arc lamp

noun

Definitions

Noun
  1. 1
    An electric arc arranged so as to produce useful light.

    "This led him to the station; and the square in front of it, vivid with arc-lamps, noisy with the yellow trams that seemed to cross it in all directions, made him laugh aloud with joy."

  2. 2
    a lamp that produces light when electric current flows across the gap between two electrodes wordnet

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