Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An electric light in which a current traverses a gas between two incandescent electrodes and generates an arc that produces light. Also called arc light.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An electric arc arranged so as to produce useful light.

from the GNU version of the Collaborative International Dictionary of English

  • n. a form of lamp in which the voltaic arc is used as the source of light.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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

Etymologies

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